Secretary of Most Backward and Minorities Welfare Department B Chandramohan said a total of 1,631 students appeared for Class 12 board exams from KR Schools. Of this 1,505 students have passed, this year. The pass percentage is 92.27 per cent and constantly there is a marginal increase in the pass percentage of KR Schools run by the state. Out of 38 KRHS Schools, 8 schools have secured cent per cent pass. First mark is 536/600, the secretary informed.