St. Thomas Residential School (STRS) was promoted in 1966 by The Mar Thoma Church Educational Society of theMalankara Marthoma Syrian Church. A co-educational day-cum-residential school, STRS is ranked 25th in the EducationWorld India Boarding School Rankings 2012 and second best boarding school in Kerala.
The school, which started with six students in a rented building in the heart of the city, now enrolls 3,000 students and boasts a plastic and smoke free 32-acre campus.
There is a separate junior and senior girls and boys hostel on campus. The cafeteria serves nutritious food to boarders as well as day scholars.