opinion: DOTHARD, DIRECTOR, DEPARTMENT OF PUBLIC SAFETY OF ALABAMA, et al. v. RAWLINSON et al.
  No. 76-422.
  Argued April 19, 1977
  Decided June 27, 1977
  Stewart, J., delivered the opinion of the Court, in which Powell and Stevens, JJ., joined; in all but Part II of which Burger, C. J., and Blackmun and Rehnquist, JJ., joined; and in all but Part III of which Brennan and Marshall, JJ., joined. Rehnquist, J., filed an opinion concurring in the result and concurring in part, in which Burger, C. J., and Blackmun, J., joined, post, p. 337. Marshall, J., filed an opinion concurring in part and dissenting in part, in which Brennan, J., joined, post, p. 340.. White, J., filed a dissenting opinion, post, p. 347.
  G. Daniel Evans, Assistant Attorney General of Alabama, argued the cause for appellants pro hac vice. With him on the briefs were William J. Baxley, Attorney General, and Walter S. Turner and Eric A. Bowen, Assistant Attorneys General.
  Pamela S. Horowitz argued the cause for appellees pro hac vice. With her on the brief was Morris S. Dees.
  Briefs of amici curiae urging affirmance were filed by Evelle J. Younger, Attorney General, Stanford N. Grushin, Chief Assistant Attorney General, Warren J. Abbott, Assistant Attorney General, and Hadassa K. Gilbert, Deputy Attorney General, for the State of California; by Slade Gorton, Attorney General of Washington, Morton M. Tytler, Senior "Assistant Attorney General, and Anne L. Ellington, Assistant Attorney General, for the Washington State Human Rights Comm’n; and by Ruth Bader Ginsburg, Marjorie Mazen Smith, and Joel Gora for the American Civil Liberties Union.
  J. Albert Woll, Laurence Gold, and Judith Lichtman filed a brief for the Women’s Legal Defense Fund et al. as amici curiae.
  Mr. Justice Stewart
  delivered the opinion of the Court.
  Appellee Dianne Rawlinson sought employment with the Alabama Board of Corrections as a prison guard, called in Alabama a "correctional counselor.” After her application was rejected, she brought this class suit under Title YII of the Civil Rights Act of 1964, 78 Stat. 253, as amended, 42 U. S. C. § 2000e et seq. (1970 ed. and Supp. V), and under 42 U. S. C. § 1983, alleging that she had been denied employment because of her sex in violation of federal law. A three-judge Federal District Court for the Middle District of Alabama decided in her favor. Mieth v. Dothard, 418 F. Supp. 1169. We noted probable jurisdiction of this appeal from the District Court’s judgment. 429 U. S. 976.
  I
  At the time she applied for a position as correctional counselor trainee, Rawlinson was a 22-year-old college graduate whose major course of study had been correctional psychology. She was refused employment because she failed to meet the minimum 120-pound weight requirement established by an Alabama statute. The statute also establishes a height minimum of 5 feet 2 inches.
  After her application was rejected because of her weight, Rawlinson filed a charge with the Equal Employment Opportunity Commission, and ultimately received a right-to-sue letter. She then filed a complaint in the District Court on behalf of herself and other similarly situated women, challenging the statutory height and weight minima as violative of Title VII and the Equal Protection Clause of the Fourteenth Amendment. A three-judge court was convened. While the suit was pending, the Alabama Board of Corrections adopted Administrative Regulation 204, establishing gender criteria for assigning correctional counselors to maximum-security institutions for “contact positions,” that is, positions requiring continual close physical proximity to inmates of the institution. Rawlinson amended her class-action complaint by adding a challenge to Regulation 204 as also violative of Title VII and the Fourteenth Amendment.
  Like most correctional facilities in the United States, Alabama’s prisons are segregated on the basis of sex. Currently the Alabama Board of Corrections operates four major all-male penitentiaries — Holman Prison, Kilby Corrections Facility, G. K. Fountain Correction Center, and Draper Correctional Center. The Board also operates the Julia Tutwiler Prison for Women, the Frank Lee Youth Center, the Number Four Honor Camp, the State Cattle Ranch, and nine Work Release Centers, one of which is for women. The Julia Tutwiler Prison for Women and the four male penitentiaries are maximum-security institutions. Their inmate living quarters are for the most part large dormitories, with communal showers and toilets that are open to the dormitories and hallways. The Draper and Fountain penitentiaries carry on extensive farming operations, making necessary a large number of strip searches for contraband when prisoners re-enter the prison buildings.
  A correctional counselor’s primary duty within these institutions is to maintain security and control of the inmates by continually supervising and observing their activities. To be eligible for consideration as a correctional counselor, an applicant must possess a valid Alabama driver’s license, have a high school education or its equivalent, be free from physical defects, be between the ages of 20% years and 45 years at the time of appointment, and fall between the minimum height and weight requirements of 5 feet 2 inches, and 120 pounds, and the maximum of 6 feet 10 inches, and 300 pounds. Appointment is by merit, with a grade assigned each applicant based on experience and education. No written examination is given.
  At the time this litigation was in the District Court, the Board of Corrections employed a total of 435 people in various correctional counselor positions, 56 of whom were women. Of those 56 women, 21 were employed at the Julia Tutwiler Prison for Women, 13 were employed in noncontact positions at the four male maximum-security institutions, and the remaining 22 were employed at the other institutions operated by the Alabama Board of Corrections. Because most of Alabama’s prisoners are held at the four maximum-security male penitentiaries, 336 of the 435 correctional counselor jobs were in those institutions, a majority of them concededly in the “contact” classification. Thus, even though meeting the statutory height and weight requirements, women applicants could under Regulation 204 compete equally with men for only about 25% of the correctional counselor jobs available in the Alabama prison system.
  II
  In enacting Title VII, Congress required “the removal of artificial, arbitrary, and unnecessary barriers to employment when the barriers operate invidiously to discriminate on the basis of racial or other impermissible classification.” Griggs v. Duke Power Co., 401 U. S. 424, 431. The District Court found that the minimum statutory height and weight requirements that applicants for employment as correctional counselors must meet constitute the sort of arbitrary barrier to equal employment opportunity that Title VII forbids. The appellants assert that the District Court erred both in finding that the height and weight standards discriminate against women, and in its refusal to find that, even if they do, these standards are justified as “job related.”
  A
  The gist of the claim that the statutory height and weight requirements discriminate against women does not involve an assertion of purposeful discriminatory motive. It is asserted, rather, that these facially neutral qualification standards work in fact disproportionately to exclude women from eligibility for employment by the Alabama Board of Corrections. We dealt in Griggs v. Duke Power Co., supra, and Albemarle Paper Co. v. Moody, 422 U. S. 405, with similar allegations that facially neutral employment standards disproportionately excluded Negroes from employment, and those cases guide our approach here.
  Those cases make clear that to establish a prima facie case of discrimination, a plaintiff need only show that the facially neutral standards in question select applicants for hire in a significantly discriminatory pattern. Once it is thus shown that the employment standards are discriminatory in effect, the employer must meet “the burden of showing that any given requirement [has] ... a manifest relationship to the employment in question.” Griggs v. Duke Power Co., supra, at 432. If the employer proves that the challenged requirements are job related, the plaintiff may then show that other selection devices without a similar discriminatory effect would also “serve the employer’s legitimate interest in ‘efficient and trustworthy workmanship.’ ” Albemarle Paper Co. v. Moody, supra, at 425, quoting McDonnell Douglas Corp. v. Green, 411 U. S. 792, 801.
  Although women 14 years of age or older compose 52.75% of the Alabama population and 36.89% of its total labor force, they hold only 12.9% of its correctional counselor positions. In considering the effect of the minimum height and weight standards on this disparity in rate of hiring between the sexes, the District Court found that the 5'2"-requirement would operate to exclude 33.29% of the women in the United States between the ages of 18-79, while excluding only 1.28% of men between the same ages. The 120-pound weight restriction would exclude 22.29% of the women and 2.35% of the men in this age group. When the height and weight restrictions are combined, Alabama’s statutory standards would exclude 41.13% of the female population while excluding less than 1% of the male population. Accordingly, the District Court found that Rawlinson had made out a prima facie case of unlawful sex discrimination.
  The appellants argue that a showing of disproportionate impact on women based on generalized national statistics should not suffice to establish a prima facie case. They point in particular to Rawlinson’s failure to adduce comparative statistics concerning actual applicants for correctional counselor positions in Alabama. There is no requirement, however, that a statistical showing of disproportionate impact must always be based on analysis of the characteristics of actual applicants. See Griggs v. Duke Power Co., supra, at 430. The application process itself might not adequately reflect the actual potential applicant pool, since otherwise qualified people might be discouraged from applying because of a self-recognized inability to meet the very standards challenged as being discriminatory. See Teamsters v. United States, 431 U. S. 324, 365-367. A potential applicant could easily determine her height and weight and conclude that to make an application would be futile. Moreover, reliance on general population demographic data was not misplaced where there was no reason to suppose that physical height and weight characteristics of Alabama men and women differ markedly from those of the national population.
  For these reasons, we cannot say that the District Court was wrong in holding that the statutory height and weight standards had a discriminatory impact on women applicants. The plaintiffs in a case such as this are not required to exhaust every possible source of evidence, if the evidence actually presented on its face conspicuously demonstrates a job requirement’s grossly discriminatory impact. If the employer discerns fallacies or deficiencies in the data offered by the plaintiff, he is free to adduce countervailing evidence of his own. In this case no such effort was made.
  B
  We turn, therefore, to the appellants’ argument that they have rebutted the prima facie case of discrimination by showing that the height and weight requirements are job related. These requirements, they say, have a relationship to strength, a sufficient but unspecified amount of which is essential to effective job performance as a correctional counselor. In the District Court, however, the appellants produced no evidence correlating the height and weight requirements with the requisite amount of strength thought essential to good job performance. Indeed, they failed to offer evidence of any kind in specific justification of the statutory standards.
  If the job-related quality that the appellants identify is bona fide, their purpose could be achieved by adopting and validating a test for applicants that measures strength directly. Such a test, fairly administered, would fully satisfy the standards of Title VII because it would be one that “measure [s] the person for the job and not the person in the abstract.” Griggs v. Duke Power Co., 401 U. S., at 436. But nothing in the present record even approaches such a measurement.
  For the reasons we have discussed, the District Court was not in error in holding that Title VII of the Civil Rights Act of 1964, as amended, prohibits application of the statutory height and weight requirements to Rawlinson and the class she represents.
  Ill
  Unlike the statutory height and weight requirements, Regulation 204 explicitly discriminates against women on the basis of their sex. In defense of this overt discrimination, the appellants rely on § 703 (e) of Title VII, 42 U. S. C. §2000e-2(e), which permits sex-based discrimination “in those certain instances where . . . sex ... is a bona fide occupational qualification reasonably necessary to the normal operation of that particular business or enterprise.”
  The District Court rejected the bona-fide-occupational-qualification (bfoq) defense, relying on the virtually uniform view of the federal courts that § 703 (e) provides only the narrowest of exceptions to the general rule requiring equality of employment opportunities. This view has been variously formulated. In Diaz v. Pan American World Airways, 442 F. 2d 385, 388, the Court of Appeals for the Fifth Circuit held that “discrimination based on sex is valid only when the essence of the business operation would be undermined by not hiring members of one sex exclusively.” (Emphasis in original.) In an earlier case, Weeks v. Southern Bell Tel. & Tel. Co., 408 F. 2d 228, 235, the same court said that an employer could rely on the bfoq exception only by proving “that he had reasonable cause to believe, that is, a factual basis for believing, that all or substantially all women would be unable to perform safely and efficiently the duties of the job involved.” See also Phillips v. Martin Marietta Corp., 400 U. S. 542. But whatever the verbal formulation, the federal courts have agreed that it is impermissible under Title VII to refuse to hire an individual woman or man on the basis of stereotyped characterizations of the sexes, and the District Court in the present case held in effect that Regulation 204 is based on just such stereotypical assumptions.
  We are persuaded — by the restrictive language of § 703 (e), the relevant legislative history, and the consistent interpretation of the Equal Employment Opportunity Commission — that the bfoq exception was in fact meant to be an extremely narrow exception to the general prohibition of discrimination on the basis of sex. In the particular factual circumstances of this case, however, ,we conclude that the District Court erred in rejecting the State’s contention that Regulation 204 falls within the narrow ambit of the bfoq exception.
  The environment in Alabama’s penitentiaries is a peculiarly inhospitable one for human beings of whatever sex. Indeed, a Federal District Court has held that the conditions of confinement in the prisons of the State, characterized by “rampant violence” and a “jungle atmosphere,” are constitutionally intolerable. Pugh v. Locke, 406 F. Supp. 318, 325 (MD Ala.). The record in the present case shows that because of inadequate staff and facilities, no attempt is made in the four maximum-security male penitentiaries to classify or segregate" inmates according to their offense or level of dangerousness — a procedure that, according to expert testimony, is essential to effective penological administration. Consequently, the estimated 20% of the male prisoners who are sex offenders are scattered throughout the penitentiaries' dormitory facilities.
  In this environment of violence and disorganization, it would be an oversimplification to characterize Regulation 204 as an exercise in “romantic paternalism.” Cf. Frontiero v. Richardson, 411 U. S. 677, 684. In the usual case, the argument that a particular job is too dangerous for women may appropriately be met by the rejoinder that it is the purpose of Title VII to allow the individual woman to make that choice for herself. More is at stake in this case, however, than an individual woman’s decision to weigh and accept the risks of employment in a “contact” position in a maximum-security male prison.
  The essence of a correctional counselor’s job is to maintain prison security. A woman’s relative ability to maintain order in a male, maximum-security, unclassified penitentiary of the type Alabama now runs could be directly reduced by her womanhood. There is a basis in fact for expecting that sex offenders who have criminally assaulted women in the past would be moved to do so again if access to women were established within the prison. There would also be a real risk that other inmates, deprived of a normal heterosexual environment, would assault women guards because they were women. In a prison system where violence is the order of the day, where inmate access to guards is facilitated by dormitory living arrangements, where every institution is understaffed, and where a substantial portion of the inmate population is composed of sex offenders mixed at random with other prisoners, there are few visible deterrents to inmate assaults on women custodians.
  Appellee Rawlinson’s own expert testified that dormitory housing for aggressive inmates poses a greater security problem than single-cell lockups, and further testified that it would be unwise to use women as guards in a prison where even 10% of the inmates had been convicted of sex crimes and were not segregated from the other prisoners. The likelihood that inmates would assault a woman because she was a woman would pose a real threat not only to the victim of the assault but also to the basic control of the penitentiary and protection of its inmates and the other security personnel. The employee’s very womanhood would thus directly undermine her capacity to provide the security that is the essence of a correctional counselor’s responsibility.
  There was substantial testimony from experts on both sides of this litigation that the use of women as guards in "contact” positions under the existing conditions in Alabama maximum-security male penitentiaries would pose a substantial security problem, directly linked to the sex of the prison guard. On the basis of that evidence, we conclude that the District Court was in error in ruling that being male is not a bona fide occupational qualification for the job of correctional counselor in a “contact” position in an Alabama male maximum-security penitentiary.
  The judgment is accordingly affirmed in part and reversed in part, and the case is remanded to the District Court for further proceedings consistent with this opinion.
  It is so ordered.
  The appellants sought to raise for the first time in their brief on the merits the claim that Congress acted unconstitutionally in extending Title VII’s coverage to state governments. See the Equal Employment Opportunity Act of 1972, 86 Stat. 103, effective date, Mar. 24, 1972, 42 U. S. C. §§2000e (a), (b), (f), (h) (1970 ed., Supp. V). Not having been raised in the District Court, that issue is not before us. See Adickes v. Kress & Co., 398 U. S. 144, 147 n. 2; Irvine v. California, 347 U. S. 128, 129.
  The statute establishes minimum physical standards for all law enforcement officers. In pertinent part, it provides:
  “(d) Physical qualifications.- — The applicant shall be not less than five feet two inches nor more than six feet ten inches in height, shall weigh not less than 120 pounds nor more than 300 pounds and shall be certified by a licensed physician designated as satisfactory by the appointing authority as in good health and physically fit for the performance of his duties as a law-enforcement officer. The commission may for good cause shown permit variances from the physical qualifications prescribed in this subdivision.” Ala. Code, Tit. 55, §373 (109) (Supp. 1973).
  See 42 U. S. C. § 2000^5 (f) (1970 ed., Supp. V).
  A second plaintiff named in the complaint was Brenda Mieth, who, on behalf of herself and others similarly situated, challenged the 5'9" height and 160-pound weight requirements for the position of Alabama state trooper as violative of the Equal Protection Clause. The District Court upheld her challenge, and the defendants did not appeal from that aspect of the District Court’s judgment.
  Although a single-judge District Court could have considered Rawlin-son’s Title YII claims, her coplaintiff’s suit rested entirely on the Constitution. See n. 4, supra. Given the similarity of the underlying issues in the two cases, it was not inappropriate to convene a three-judge court to deal with the constitutional and statutory issues presented in the complaint. When a properly convened three-judge court enjoins the operation of a state law on federal statutory grounds, an appeal to this Court from that judgment lies under 28 U. S. C. § 1253. See Engineers v. Chicago, R. I. & P. R. Co., 382 U. S. 423; Philbrook v. Glodgett, 421 U. S. 707.
  Administrative Regulation 204 provides in pertinent part as follows: “I. GENERAL
  “l.The purpose of this regulation is to establish policy and procedure for identifying and designating institutional Correctional Counselor I positions which require selective certification for appointment of either male or female employees from State Personnel Department registers.
  "II. POLICY
  “4. All Correctional Counselor I positions will be evaluated to identify and designate those which require selective certification for appointment of either a male or female employee. Such positions must fall within a bona fide occupational qualification stated in Title 4[2]-2000c of the United States Code ....
  “5. Selective certification from the Correctional Counselor Trainee register will be requested of the State Personnel Department whenever a position is being filled which has been designated for either a male or female employee only.
  “HI. PROCEDURE
  “8. Institutional Wardens and Directors will identify each institutional Correctional Counselor I position which they feel requires selective certification and will request that it be so designated in writing to the Associate Commissioner for Administration for his review, evaluation, and submission to the Commissioner for final decision.
  “9. The request will contain the exact duties and responsibilities of the position and will utilize and identify the following criteria to establish that selective certification is necessary;
  “A. That the presence of the opposite sex would cause disruption of the orderly running and security of the institution.
  “B. That the position would require contact with the inmates of the opposite sex without the presence of others.
  “C. That the position would require patroling dormitories, restrooms, or showers while in use, frequently, during the day or night.
  “D. That the position would require search of inmates of the opposite sex on a regular basis.
  “E. That the position would require that the Correctional Counselor Trainee not be armed with a firearm.
  “10. All institutional Correctional Counselor I positions which are not approved for selective certification will be filled from Correctional Counselor Trainee registers without regard to sex.”
  Although Regulation 204 is not limited on its face to contact positions in maximum-security institutions, the District Court found that it did not “preclude . . . [women] from serving in contact positions in the all-male institutions other than the penitentiaries.” 418 F. Supp., at 1176. Appellants similarly defended the regulation as applying only to maximum-security facilities.
  Note, The Sexual Segregation of American Prisons, 82 Yale L. J. 1229 (1973).
  The official job description for a correctional counselor position emphasizes counseling as well as security duties; the District Court found: “ [Correctional counselors are persons who are commonly referred to as prison guards. Their duties primarily involve security rather than counseling.” 418 F. Supp. 1169, 1175.
  At the time of the trial the Board of Corrections had not yet classified all of its correctional counselor positions in the maximum-security institutions according to the criteria established in Regulation 204; consequently evidence of the exact number of “male only” jobs within the prison system was not available.
  Section 703(a) of Title VII, 42 U. S. C. §2000e-2 (a) (1970 ed. and Supp. V), provides:
  “(a) Employer practices. It shall be an unlawful employment practice for an employer—
  “(1) to fail or refuse to hire or to discharge any individual, or otherwise to discriminate against any individual with respect to his compensation, terms, conditions, or privileges of employment, because of such individual’s race, color, religion, sex, or national origin; or
  “(2) to limit, segregate, or classify his employees or applicants for employment in any way which would deprive or tend to deprive any individual of employment opportunities or otherwise adversely affect his status as an employee, because of such individual’s race, color, religion, sex, or national origin.”
  See Teamsters v. United States, 431 U. S. 324, 335-336, n. 15.
  Affirmatively stated, approximately 99.76% of the men and 58.87% of the women meet both these physical qualifications. From the separate statistics on height and weight of males it would appear that after adding the two together and allowing for some overlap the result would be to exclude between 2.35% and 3.63% of males from meeting Alabama’s statutory height and weight minima. None of the parties has challenged the accuracy of the District Court’s computations on this score, however, and the discrepancy is in any event insignificant in fight of the gross disparity between the female and male exclusions. Even under revised computations the disparity would greatly exceed the 34% to 12% disparity that served to invalidate the high school diploma requirement in the Griggs case. 401 U. S., at 430.
  The height and weight statute contains a waiver provision that the appellants urge saves it from attack under Title VII. See n. 2, supra. The District Court noted that a valid waiver provision might indeed have that effect, but found that applicants were not informed of the waiver provision, and that the Board of Corrections had never requested a waiver from the Alabama Peace Officers’ Standards and Training Commission. The court therefore correctly concluded that the waiver provision as administered failed to overcome the discriminatory effect of the statute’s basic provisions.
  In what is perhaps a variation on their constitutional challenge to the validity of Title VII itself, see n. 1, supra, the appellants contend that the establishment of the minimum height and weight standards by statute requires that they be given greater deference than is typically given private employer-established job qualifications. The relevant legislative history of the 1972 amendments extending Title VII to the States as employers does not, however, support such a result. Instead, Congress expressly indicated the intent that the same Title VII principles be applied to governmental and private employers alike. See H. R. Rep. No. 92-238, p. 17 (1971); S. Rep. No. 92-415, p. 10 (1971). See also Schaeffer v. San Diego Yellow Cabs, 462 F. 2d 1002 (CA9). Thus for both private and public employers, “[t]he touchstone is business necessity,” Griggs, 401 U. S., at 431; a discriminatory employment practice must be shown to be necessary to safe and efficient job performance to survive a Title VII challenge.
  Cf. EEOC Guidelines on Employee Selection Procedures, 29 CFR § 1607 (1976). See also Washington v. Davis, 426 U. S. 229, 246-247; Albemarle Paper Co. v. Moody, 422 U. S. 405; Officers for Justice v. Civil Service Comm’n, 395 F. Supp. 378 (ND Cal.).
  By its terms Regulation 204 applies to contact positions in both male and female institutions. See n. 6, supra. The District Court found, however, that “Regulation 204 is the administrative means by which the [Board of Corrections’] policy of not hiring women as correctional counselors in contact positions in all-male penitentiaries has been implemented.” 418 F. Supp., at 1176. The Regulation excludes women from consideration for approximately 75% of the available correctional counselor jobs in the Alabama prison system.
  See, e. g., Gillin v. Federal Paper Board Co., 479 F. 2d 97 (CA2); Jurinko v. Edwin L. Wiegand Co., 477 F. 2d 1038 (CA3); Rosenfeld v. Southern Pacific Co., 444 F. 2d 1219 (CA9); Bowe v. Colgate-Palmolive Co., 416 F. 2d 711 (CA7); Meadows v. Ford Motor Co., 62 F. R. D. 98 (WD Ky.), modified on other grounds, 510 F. 2d 939 (CA6). See also Jones Metal Products Co. v. Walker, 29 Ohio St. 2d 173, 281 N. E. 2d 1; EEOC Guidelines on Discrimination Because of Sex, 29 CFR § 1604 (1976).
  See Interpretative Memorandum of Senators Clark and Case, 110 Cong. Rec. 7213 (1964).
  The EEOC issued guidelines on sex discrimination in 1965 reflecting its position that “the bona fide occupational qualification as to sex should be interpreted narrowly.” 29 CFR § 1604.2 (a). It has adhered to that principle consistently, and its construction of the statute can accordingly be given weight. See Griggs v. Duke Power Co., 401 U. S., at 434; McDonald v. Santa Fe Trail Transp. Co., 427 U. S. 273, 279-280.
  In the case of a state employer, the bfoq exception would have to be interpreted at the very least so as to conform to the Equal Protection Clause of the Fourteenth Amendment. The parties do not suggest, however, that the Equal Protection Clause requires more rigorous scrutiny of a State’s sexually discriminatory employment policy than does Title VII. There is thus no occasion to give independent consideration to the District Court’s ruling that Regulation 204 violates the Fourteenth Amendment as well as Title VII.
  See, e. g., Weeks v. Southern Bell Tel. & Tel. Co., 408 F. 2d 228, 232-236 (CA5); Bowe v. Colgate-Palmolive Co., supra, at 717-718; Rosenfeld v. Southern Pacific Co., supra.
  The record contains evidence of an attack on a female clerical worker in an Alabama prison, and of an incident involving a woman student who was taken hostage during a visit to one of the maximum-security institutions.
  Alabama’s penitentiaries are evidently not typical. Appellee Rawlin-son’s two experts testified that in a normal, relatively stable maximum-security prison — characterized by control over the inmates, reasonable living conditions, and segregation of dangerous offenders — women guards could be used effectively and beneficially. Similarly, an amicus brief filed by the State of California attests to that State’s success in using women guards in all-male penitentiaries.
  The record shows, by contrast, that Alabama’s minimum-security facilities, such as work-release centers, are recognized by their inmates as privileged confinement situations not to be lightly jeopardized by disobeying applicable rules of conduct. Inmates assigned to these institutions are thought to be the “cream of the crop” of 'the Alabama prison population.
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