St. Mary's College (Sinhala: සාන්ත මරියා විදුහල) is a multi-faith school located in Kegalle, Sabaragamuwa Province, Sri Lanka.

Domenico Pingulani, a Benedictine missionary, in connection with St. Mary's Church.

[4] In 1902 Lucian van Langenberg was appointed the school's principal.

In 1947 St. Mary's College was elevated to a secondary school, with classes in English, Sinhala and Tamil.

[2] In 1960 it was changed to a government school with 688 students enrolled and 36 staff.