The Hindu Educational Organisation registered under the Companies Act, earlier known as the Hindu High School Committee has been running the Hindu Higher Secondary School in Triplicane for over 140 years. This educational institution looks back with pride at the dimension of growth it has achieved over the years, with excellent teaching faculty and myriad facilities and opportunities provided to the students during their stay in this illustrious school.

The H.E.O. started the Hindu Senior Secondary School in Triplicane in 1971. (Affiliated to CBSC New Delhi) The Primary Department is run in one building while the middle, Secondary Departments are conducted in the adjacent buildings. It is a co-educational institution with four well equipped Laboratories, a Computer Centre and a Library. Significant progress has been made since its inception with efficient staff and excellent teaching. An auditorium, indoor stadium and class room block is added to provide more facilities.

The Hindu Educational Organisation is a non-profit Organisation. It has lofty aims and always strive to serve the cause of education by laying stress on the all-round development of the children.