Columbia International College is a private boarding preparatory school in the Ainslie Wood neighbourhood of Hamilton, Ontario, Canada.

The College is also registered with the Ministry of Education (Ontario) Founded in Hamilton, Ontario, in 1979, Columbia International College began as a six-room university preparatory and ESL school on Mohawk Road West.

The school's climb in enrollment numbers resulted in a relocation to the Ainsliewood Campus in 2000.

They also offer clubs and activities based on Leadership, the Arts, Community Service, and Athletics.

Throughout the year, frequent trips are made to Bark Lake for students to complete leadership training.