The CBSE introduced the On-Screen Marking (OSM) system for Class 12 evaluations | Photo Credit: AI generated On May 13, CBSE declared Class 12 results, recording a three point drop in pass percentage to 85.20% from 88.39% last year. Several students, in effect, would have found themselves on the wrong side of the line compared to last year’s cohort.The aggregate decline is sharp enough that it cannot be waved away with the usual “tougher papers this year” explanation.