In the examination, Chennai region stood third in the country after Trivendru and Vijayawada regions.

CBSE Class 12 exams started on 15 February and ended on 2 April.

Supplementary examination for failed students will be conducted from July 15.

In the Class 10 exam, Tamil Nadu recorded a 99.3 per cent pass rate, a slight increase from last year's 99.14 per cent.

The national pass percentage for Class 10 results is 93.6 percent.

Class 10 exams started on 15 February and ended on 13 March.