Town Higher Secondary School
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This school was founded as a Primary school on 14 April 1864 by Martin, a retired English head constable at the Bhagavath Padithurai Mandapam. Many persons like Ragunathaswami Rao, Rao Bhagadhur T. Gopal Rao and Gopu Subburaya Chettiar played a pivotal role in the growth of the school. The Chairman of Kumbakonam Municipality Shri. P. Thambusamy Mudaliar offered his plantain grove of 1,00,800 square feet land for the school, at a low price  The foundation stone for the main building was laid by Porter on 29 December 1881.
In 1885, the two houses in which the school had functioned were sold at the cost of Rs. 10,500/-. In 1887, a committee that consisted P. Thambusamy Mudaliar, A.C. Narayana Iyer and V. Krishna Iyer was formed to supervise the construction of the school building. Taking a school which was in Pondicherry as a model, this school was constructed in 1891 at the cost of Rs. 58,000/- In 1892, the building was opened by Dr. Duncan, Director of School Education.
Since its inception, the institution was always run by a group of people belonging to Kumbakonam town. It is today an aided institution of the Government of Tamil Nadu. The motto of this school is 'TRUTH, HONOUR, SERVICE AND SACRIFICE'.
In July 1978, the school was upgraded to Higher Secondary school. K. Baladandayuthapani is the current Secretary/Correspondent of the school and R. Vijaya is the first woman Headmistress in the history of THSS. The school releases a bimonthly magazine HARMONY to develop the writing skills of the students in English.It also has an English Literary Club.
In January 2014, the school celebrated its 150th year.
- Srinivasa Ramanujan, mathematician 
- T.T. Krishnamachari, the former finance minister of India 
- Umayalpuram K. Sivaraman, famous mridangam player. He received Padma Vibhushan and doctorate awards.
- Shiv Nadar, founder and chairman of HCL Technologies 
- S. Kasturi Ranga Iyengar, the pioneer editor and proprietor of The Hindu
- L. Venkatakrishna Iyer, civil engineer and Padma Bhushan recipient
Ramanujan was a student of the school in 1898, and it was here that he came across a book titled Synopsis of Elementary Results in Pure Mathematics written by G S Carr. Influenced by the book, he began working on mathematics on his own, summing geometric and arithmetic series, says a write up on Ramanujan by Tata Institute of Fundamental Research.
- Krishnamurthy, Prof. V. "Srinivasa Ramanujan - His life and his genius". www.krishnamurthys.com. (Expository address delivered on Sep.16, 1987 at Visvesvarayya Auditorium as part of the celebrations of Ramanujan Centenary by the IISC, Bangalore). Retrieved 7 September 2016.