75% of India's Best CBSE Schools are in South, 7 are from TN

New Delhi: Tamil Nadu tops the list of states with 7 of its schools among the India's best 20, this is by the best overall aggregates in Class XII CBSE exams in 2015. Among the top 20, Bengaluru houses 5 schools.

According to TOI, it's not just the private schools in the top list, but 2 central government-run Jawahar Navodaya Vidyalayas also feature in this year's list of top 20.

The overall aggregate for a school was arrived at by taking out the average marks obtained by all the students who took the class XII CBSE exams.

Not just Tamil Nadu or Bengaluru, the entire south region has shown an outstanding performance. As was reflected in the class XII 2015 results where the top two regions in terms of pass percentage for the second consecutive year were Thiruvananthapuram and Chennai, 15 schools among the top 20 with best aggregates are from the southern states.Apart from Chennai and Bengaluru, two schools from Kerala and one from Andhra Pradesh has made it to the list too.

School Overall Aggregate
Name of the institution	Overall aggregate
DAV Boys Sr Secondary School, Mogappair, Chennai	92.3%
DAV Girls Sr Secondary School, Lloyds Road, Chennai	92.2%
DAV Boys Sr Secondary School, Lloyds Road, Chennai	92.1%
Ramkrishna Mission Vidyapith, Deogarh, Jharkhand	91.8%
Sri Kumaran Children's Home School, Bangalore	91.7%
National Public School, Kormangala, Bangalore	91.7%
Chinmaya International Residential School, Coimbatore	91.6%
National Public School, HSR Layout, Bangalore	91%
Delhi Public School, Harni, Vadodara	90.7%
The Heritage School, Sector-62, Gurgaon	90.7%
Hindu Sr Secondary School, Indira Nagar, Chennai	90.6%
DAV Girls Sr Secondary School, Mogappair, Chennai	90.4%
HAL Public School, Vimanpura, Bangalore	90.3%
JNV Chennithala, Kerala	90.3%
National Academy for Learning, Bangalore	90%
Bhavan's Vidyalaya, Sector-27B, Chandigarh	89.9%
JNV Neriamangalam, Kerala	89.9%
Vidya Mandir Sr Secondary School, Mylapore, Chennai	89.8%
Sardar Patel Vidyalaya, Lodi Estate, Delhi	89.7%
Sri Sathya Sai HSS, Prasanthinilayam, Andhra Pradesh	89.6%

All the top three schools are from Chennai with DAV Boys Sr Sec School, Mogap pair, leading with an aggregate of 92.3%. In fact, all the four schools from Chennai on the best aggregate list of 20 are DAV schools.

"These are not any kind of ranking but an indicator of how good the teaching process in these schools is," said a senior CBSE official. "There schools may have higher number of students scoring 95% and above, but the overall average is an indicator of how the whole batch has performed," the official added.

Gujarat, Jharkhand, Haryana and Chandigarh too have one school each on this list. But despite a quarter of CBSE students being from the Delhi region, which includes schools in Delhi and those abroad, there is just one school from here on the list - Sardar Patel Vidyalaya.