Royal College, Colombo is a selective entry boys' school located in Cinnamon Gardens, Colombo, Sri Lanka. Started by Joseph Marsh in 1835, it was established as the Colombo Academy by Sir Robert Wilmot-Horton in January 1836, as part of the implementation of the recommendations of the Colebrooke Cameron Commission (1833), and was the first government-run secondary school for boys in the island.

Thurstan College is a national school for boys in Colombo, Western Province, Sri Lanka, providing primary and secondary education. It is located in the Cinnamon Gardens neighbourhood of Colombo 7 near the University of Colombo and the Royal College Colombo. The college is regulated by the central government.