Collins maintains that public schools are socializing institutions that teach and reward middle - class values of competition and achievement .
Randall Collins contributed the idea of credentialism to the study of class - based differences in educational attainment .
Randall Collins maintains that public schools are socializing institutions that teach and reward middle - class values of competition and achievement .
Randall Collins contributed the idea of credentialism to the study of class - based differences in educational attainment .