National Higher Secondary School, Mannargudi, 118+ years old school, has been giving free education to all and the public utilised the resources of the school. A school with a lot of repute where many stalwarts served as it's headmasters. Skilled and talented teachers who sacrificed their lives and soul to this great institution. The school was visited by Mahatma Gandhi, Vallabhai Patel, Mahadev Desai, Subramanya Bharathi, Rajagopalachari, Kamarajar, Arignar Anna and other Governors. Prestigious old students like Shri N Gopalaswami IAS (former Chief Election Commissioner), Mr Vaikunth IPS (former DGP, Government of Tamilnadu), Shri Bakthavachalam (former Chief Justice, Governor of a state) who shines as jewels in the Crown of the school. The period of former head master like Shri V.Srinivasan is considered to be the golden period in the history of the school. Many achievements in academics, curricular, extra curricular activities are recorded in the voyage of the school.