new delhi delhi schools have the best record when it comes to cleanliness thirtynine of the 179 schools selected by the central board of secondary education for the national school sanitation award 2012 are in the national capital region ncr according to cbse sources the top two schools with the cleanest campuses are salwan public school of gurgaon and kalka public school in delhi each scoring 100 in all 887 schools participated in the contest for cbses first sanitation awards and the winners will get certificates and a cash award on wednesday from the hrd minister the contest was announced in 2012 and was jointly conducted by cbse niesbud national institute for entrepreneurship and small business development and deutsche gesellschaft fr internationale zusammenarbeit under the national school sanitation initiative of the human resource development ministry schools were categorized into five groups green blue yellow black and red in descending order of cleanliness the cleanest schools are the green ones followed by blue and yellow of the six green certificates three went to the schools from delhincr schools placed in the black and red categories need to improve performance the other schools will be awarded a sanitation certificate and cash amity international saket got a green certificate this contest has gone a long way in helping schools provide its students a more sanitary environment now that it has been introduced in the form of a competition even the students have got themselves involved in the drive principal rekha ranade said schools were first required to register online and rated based on data uploaded by them our team visited the schools to verify the data and the jury decided the final list said dr ramesh nair gizcbse school sanitation consultant