ALCDSB Launches Board Pastoral Themes: 2025-2030
The Algonquin and Lakeshore Catholic District School Board (ALCDSB) is excited to launch our new Board themes, which will guide us in our faith journey over the next five years.
Archbishop O’ Sullivan Catholic School Home
Homepage Gallery Shuffle
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.
School News
School Board News
Professional Activity Day
Tuesday, September 2
Director's Year End Mesage
Wishing all families, staff, and community members an enjoyable summer break!
Congratulations to these ALCDSB certified EcoSchools!
The Algonquin and Lakeshore Catholic District School Board is proud to celebrate the achievements of our schools that have been certified through EcoSchools Canada for the 2024–2025 school year.
Congratulations to Kingston couple on taking home $33,778.50!
The Algonquin and Lakeshore Catholic District School Board (ALCDSB) is excited to announce the winner of the Spring 50/50 raffle.
Algonquin and Lakeshore Catholic Education Foundation Receives Record-Breaking Contribution from 50/50 Raffle
The Algonquin and Lakeshore Catholic District School Board (ALCDSB) is thrilled to announce a record-breaking contribution from the latest 50/50 raffle.
June is Sacred Heart of Jesus Month
On Friday, June 27 the Catholic Church will celebrate the Solemnity of the Most Sacred Heart of Jesus.
Calendar
