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School Phone: 905-404-9349. Fax: 905-404-9372. Catholic Education Centre. Toll Free: 1-800-461-8009

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Feb 25, 2025 · Important: Registration deadline for the 2025/2026 school year is February 25th, 2025. Complete the Internal Transfer Form on the Parent Portal. Select Holy Trinity Catholic Secondary School (Courtice) from the drop down menu.

Holy Trinity Catholic Secondary School is dedicated to providing a safe, welcoming, caring and inclusive school community. With a focus on academic excellence, co-curricular activities and faith practices, we guide students toward varied pathways, while inspiring resiliency, critical thinking, collaboration and global citizenship as integral ...

Welcome to the official Holy Trinity CSS YouTube Channel. On this channel, you will find video content produced by the staff and students of Holy Trinity. We hope you enjoy the videos!

Holy Trinity Catholic Secondary School is a Grade 7-12 school located on 43 acres of land situated immediately east of the City of Cornwall. Holy Trinity is a French immersion school that offers students the opportunity to complete specialist high skills major programs in health & wellness and arts & culture.

We are very excited that you have chosen Holy Trinity CSS for the next step in your Educational Pathway journey! Thanks to all the Parents / Guardians / Students who attended our Grade 8 Parent Night October 10th!

School Phone: 905-404-9349. Fax: 905-404-9372. Catholic Education Centre. Toll Free: 1-800-461-8009

Registration for 2025-26 school year is now open and ongoing. Registration can be completed online at www.cdsbeo.on.ca or by calling the Guidance Department. Still curious? Contact the Guidance Department. Holy Trinity Catholic Secondary School is located in Cornwall, Ontario.