Students hailing from Namakkal district bagged the top three ranks from among nearly 8.20 lakh students who appeared for the exam conducted in March.
Girls continued to dominate by registering a pass percentage of 89.7 while 83.2 per cent of boys cleared the exams.
Incidentally, this time there was a drastic dip in the number of centum-scorers in Physics, with only 142 students scoring a hundred as against a little over 600 last year. It was the same case with Mathematics too.
However, more students had scored centum in Chemistry this year.
Susmitha from Namakkal topped the exams by scoring 1,189 out of 1,200 marks while the second rank was shared by three students from the same district. Two students from Namakkal came third.