ALCDSB Receives Accessibility Grant
The ALCDSB is a proud recipient of the RBC Barrier Buster Grants Program presented by The Rick Hansen Foundation.
Archbishop O’ Sullivan Catholic School Home
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We strive to provide a distinctively Catholic education that allows each child the opportunities and experiences to grow in their academic capacity and faith formation. Within these experiences we focus on high expectations for all learners that are rooted in our Gospel teachings.
News & Announcements
ALCE Foundation receives a $10,000 donation from OECTA
The Algonquin Lakeshore Ontario English Catholic Teachers' Association (OECTA) has generously donated $10,000 to the Algonquin and Lakeshore Catholic Education (ALCE) Foundation in support of students and families across our school communities.
June is National Indigenous History Month
June 1-30, 2026
Novena to the Sacred Heart of Jesus
June 3 - 12, 2026
Celebrating PRIDE Across ALCDSB
June 1-30, 2026
National AccessAbility Week
May 31 - June 6, 2026
The Spring 50/50 Raffle is now LIVE!
Last year, the three raffles raised approximately $60,000 for the Algonquin & Lakeshore Catholic Education Foundation.
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