This School was started on 1919 in the place of Thevaram Jameendar, next in Periyakulam road, then it is shifted to Edamal street by buying a own place by constructing the Compound wall. Due to the continuous increase in strength of the students, new class rooms were constructed near to Theni Nadar Saraswathi Higher Secondary School in the year of 1985 By the selfless service of TMHNU Management members, Continuous support of the people, guidance of educational officers, charity of teachers and by the Eager of the Students, this school has growed to a grand success with the strength of 3817 students and 94 teachers..
Chess
| 1 | 2013 | J.Ashwanth | IV-G | SSA |
| 2 | 2013 | S.Noorjagan | V-C | SSA |
| 3 | 2014 | J.Ashwanth | IV-G | Rotary Club |
| 4 | 2014 | S.Noorjagan | V-C | Rotary Club |
| 5 | 2014 | R.Durgadevi | V-C | Rotary Club |
| 6 | 2014 | P.Jeya guru balaji | V-C | Rotary Club |
| 7 | 2014 | J.Ashwanth | IV-G | Rotary Club |
| 8 | 2014 | S.Noorjagan | V-C | Vellammal School |
| 8 | 2014 | S.Noorjagan | V-C | Andal alagar |
| 9 | 2017 | C.Kaviarasan | V-N | State level kamaraj function |
| 10 | 2017 | C.Kaviarasan | V-N | Royal chess Academy |
| 11 | 2017 | M.Gobika sree | V-N | Royal chess Academy |
| 12 | 2017 | M.Mahalakshmi | III-K | Royal chess Academy |
Karate
| 1 | 2015 | M.Minisha | Thirupur star lions club | |
| 2 | 2015 | S.Priyadharshini | Thirupur star lions club | |
| 3 | 2016 | V.Gowtham | IV -R | 4TH Tamil Nadu state InterDistrict Karate Championship |
| 4 | 2016 | M.Bharath | V - D | 4TH Tamil Nadu state InterDistrict Karate Championship |
| 5 | 2016 | M.SreeKaliappan | V - G | 4TH Tamil Nadu state InterDistrict Karate Championship |
| 6 | 2016 | K.Jeyasree | V - A | 4TH Tamil Nadu state InterDistrict Karate Championship |
| 7 | 2016 | P.Manikannadan | III-K | 4TH Tamil Nadu state InterDistrict Karate Championship |
| 8 | 2016 | P.Akshaya | III-S | 4TH Tamil Nadu state InterDistrict Karate Championship |
| 9 | 2017 | P.Manikannadan | IV - O | |
| 10 | 2017 | C.Deva | V-B | |
| 11 | 2017 | M.Sasipriya | V-S | LEO GOJU RYU KARATE DO ASSOCATION |
| 12 | 2017 | M.Gowtham | V-E | LEO GOJU RYU KARATE DO ASSOCATION |
| 13 | 2017 | M.Manikadan | IV - O | LEO GOJU RYU KARATE DO ASSOCATION |
| 14 | 2017 | M.PomikkaSree | IV - J | LEO GOJU RYU KARATE DO ASSOCATION |
| 15 | 2017 | J.Kasivishvanathan | IV - S | LEO GOJU RYU KARATE DO ASSOCATION |
| 16 | 2017 | C.Deva | V-B | LEO GOJU RYU KARATE DO ASSOCATION |
Yoga
| 1 | 2016 | C.VimalRohit | V-O | II nd state level InterSchool Yogasana Championship |
| 2 | 2016 | M.Manikandan | III-K | II nd state level InterSchool Yogasana Championship |
| 3 | 2016 | P.Akshara | III-S | II nd state level InterSchool Yogasana Championship |
| 4 | 2016 | K.Jeyaraja | V-A | II nd state level InterSchool Yogasana Championship |
Silambam
| 1 | 2016-17 | S.Suganthi | V-K | 18th anna birthday celebration in Bodi |
| 2 | 2016-17 | B.Sangamithra | II-G | 18th anna birthday celebration in Bodi |
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