De Mazenod College - The school was started in the year 1931.
Locations: Anuradhapura, Kandana

Newstead Girls' College, Negombo is the oldest existing girls' college and the third oldest public school in Sri Lanka.
Location: Negombo

A private National school guided by the Buddhist philosophy, teaching the national curriculum (English medium)
Locations: Nawala, Kalutara, Talawathugoda

Institute: Gonsalvez College - A school located in Pamunugama, Ja-Ela, Sri Lanka