Academie Ste. Cecile International School

Académie Ste-Cécile International School (ASCIS) is a private, co-educational, English-language elementary and secondary school in Windsor, Ontario, Canada, for day and boarding students. It was founded on the principles of the Roman Catholic Church and states its respect for the religious and cultural diversity of its students and staff. The boarding school takes students from all over the world.

Beyond the elementary school and the upper school, ASCIS offers several programmes and services:

• International Baccalaureate programmes (MYP and IB)
• Advanced Placement (AP) courses at college level
• St. Clair College Credit Program in Industrial Robotics and Construction Applications
• Music school and dance school
• Child Enrichment Centre (daycare)

The IB programme is a two-year curriculum leading to examinations. From the 2026-2027 school year, senior students, mainly in Grades 11 and 12, can earn Ontario secondary school (OSSD) and college credits at the same time through the partnership with St. Clair College. The school is at 925 Cousineau Rd in Windsor and offers campus tours on request.