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St. Joan of Arc Catholic Secondary School opened its doors on an off-site location to 134 Grade 9 Students from Churchill Meadows community on September 7th, 2004.  

Clara Pitoscia was the founding Principal and with a staff of twelve teachers, the Chaplaincy leader, and three secretaries the school community began to establish its foundation. For two years, St. Joan of Arc CSS was housed within St. Marcellinus CSS at the corner of Hwy 401 and Mavis. In its third year St. Joan of Arc was moved for one semester to the Dufferin-Peel Streetsville Campus on Mississauga Road while awaiting completion of the permanent building in the Churchill Meadows community. St. Joan of Arc was the third high school in Mississauga to be built in partnership with the City of Mississauga sharing a public library facility and community area. 

In January of 2007, two and half years after the school was founded, the students and staff moved into the permanent site at 3801 Thomas Street. This state-of-art facility was worth the wait with a Media Centre built into 65 classrooms, 45 SMART boards, 8 Technological Studies programs ranging from Robotics to Green Studies, a triple gym, an oversized Band room, and a beautiful welcoming Chapel.

St. Joan of Arc is proud to be named after a young person who exemplified incredible courage, commitment and confidence in her faith. St. Joan of Arc was martyred at the young age of 19 because of her steadfastness and belief in her faith and her actions. As a community, the school strives to embody this courage and belief through the teachings of Jesus Christ. The school motto “Courage to Believe” connects everyone to the spirit of St. Joan of Arc and to the potential that exists for every student who enrolls at this school.

At St. Joan of Arc Catholic Secondary School is committed to ensuring that each student establishes a personal connection to the school in order to support student success for all.