
St. Marcellinus Catholic Secondary School
St. Marcellinus Secondary School (“Marcy”) is a highly rated Catholic high school situated in an area known as Meadowvale Village, at the northern tip of Mississauga, Ontario. It offers schooling for grades 9-12, and is a member of the Dufferin-Peel Catholic District School Board.
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There are currently approximately 1800 students registered at St. Marcellinus. As with most Catholic high schools, students here are required to wear uniforms while attending classes.
St Marcellinus Mississauga was founded in 2003, and it is considered one of the better high schools in Peel Region.
Specialized Courses
SHSM
The school offers a wide assortment of academic courses for students. Special focus is given to two Specialist High Skills Major (SHSM) programs one for Hospitality and Tourism, and one for Arts and Culture.
French Language
“Marcy” offers a Core French curriculum, courses in Spanish, as well as an extensive English as a Second Language (ESL) program.
OYAP
The school also offers an Ontario Youth Apprenticeship Program (OYAP) for skilled trades.
Further reading: list of specialized high school programs in Ontario.
Feeder Schools
St. Marcellinus CSS is fed by the following Catholic elementary schools:
- St. Barbara Elementary School (K-8), 1255 Samuelson Circle, Mississauga
- St. Gregory Elementary School (K-8), 1075 Swinbourne Dr, Mississauga
- St. Julia Elementary School (K-8), 6770 Historic Trail, Mississauga
- St. Veronica Elementary School (K-8), 680 Novo Star Dr, Mississauga
Address & Contact Information
Address: 730 Courtneypark Drive W.
Mississauga, ON. L5W 1L9
Phone number: 905-564-6614
Email: St.MarcellinusInfo@dpcdsb.org
Website: https://www.dpcdsb.org/MARCL/
School Board: Dufferin-Peel Catholic District School Board
School Type: Separate High School
Academic Calendar: Semesters
School Hours:
- Sun Closed
- Mon 8:27 a.m.–2:30 p.m.
- Tue 8:27 a.m.–2:30 p.m.
- Wed 8:27 a.m.–2:30 p.m.
- Thu 8:27 a.m.–2:30 p.m.
- Fri 8:27 a.m.–2:30 p.m.
- Sat Closed
School Size: students: 1800
Religious Affiliation: Christian-Catholic
Foundation Year: 2003
School Uniform: YES
Language of Instruction: English
Gender: Coeducational
Accessibility:
- Wheelchair-accessible entrance
- Wheelchair-accessible parking lot
Facilities
As a recently constructed school, St. Marcellinus CSS offers a good variety of modern classrooms and work areas for students.
The school also features numerous drama and art rooms, various areas for its music department, a large gymnasium, a fitness centre, plus athletic fields and computer study areas.
Sports
St. Marcellinus Mississauga offers a good assortment of individual and team sports (Spirit), including the following:
- Basketball
- Hockey
- Soccer
- Football
- Skiing
- Golf
- Swimming
- Track and Field
- Tennis
- Badminton
- Volleyball
- Baseball
- Cross Country
- Slo-Pitch
Extracurricular Programs and Clubs
This school has a wide assortment of extracurricular activities that can enrich the high school experience for many students.
- Aviation Club
- Baking Club
- Chess Club
- Computer Science Club
- Debate Club
- DECA
- Digital Posters Club
- Drumline
- Eco Club
- Global News Discussion
- Health and Fitness Club
- HOSA
- IYNA Neuroscience Club
- Leadership Club
- Model United Nations
- Music Club
- Pi Math Club
- Pre-Law Club
- Pre-Med Club
- Short Stories Group
- Social Justice
- Spirit Media
- Spirit Robotics
- Stock Market Club
- Student Ambassador
- Student Council
- Student Initiative Club
- Virtual Dance
- Yoga Club

St. Marcellinus Secondary School Ranking
This Catholic high school has consistently scored highly in the Fraser Institute’s annual ranking. This year’s score was 8.4 out of a possible 10, and the school is tied for 52nd place out of 746 high schools in the province of Ontario. Compare school rankings.
Online Reviews
Google reviews are generally positive, averaging 3.8 out of 5, with dozens of reviews given.

School and Nearby Amenities
The school campus is an integral part of the Courtneypark Community Centre, which was designed as a partnership between the City of Mississauga, the Mississauga Library System, and the Dufferin-Peel Catholic District School Board. The multi-use structure includes activity centres, the Courtneypark Library and an extensive track and field complex complete with artificial turf and an 8 lane all-weather track.
Students are able to access the library and can utilize the community centre facilities as part of their academic and athletic programs.
Boundary Map
click map to enlarge
IMPORTANT DISCLAIMER: Not all boundaries are included. We make every effort to ensure that school and district boundary data is up-to-date. It’s important to note, however, that these are approximations and are for general informational purposes only. To verify exact boundaries or school locations, contact your school board.
Conclusion
St. Marcellinus Catholic Secondary School is a top ranked school, with an excellent reputation.
It has a great north Mississauga location, a generous offering of athletic and extra-curricular programs, and it has high rankings in the Fraser Institute grading system.
St. Marcellinus Secondary School is well known for its strong sense of community and commitment to nurturing well-rounded individuals through a combination of academic, extracurricular, and leadership opportunities. We highly recommend St. Marcellinus CSS.
Next: Lorne Park Secondary
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