
Iona Catholic Secondary School Mississauga
Iona Catholic Secondary School is a highly rated separate high school situated in the Clarkson area of southwest Mississauga.
Contents

It offers classroom instruction for grades 9-12, and is a member of the Dufferin-Peel Catholic District School Board (DPCDSB).
The school is a participant in the Regional Arts and Culture Program (RAP) with intensive courses in music, dance, drama, and visual arts.
Iona Secondary school has a large catchment area, serving Clarkson, Lorne Park, and the Sheridan Homelands areas of Mississauga. There are currently approximately 750 students registered at the school.
As with most Catholic high schools, students here are required to wear uniforms while attending classes.
Special Programs
ICSS was founded in 1993, and while it offers a full academic curriculum for all students, it is especially noted for its extensive course offerings in the arts.
Regional Arts and Culture Program (RAP)
Iona offers a wide variety of enrichment programs under the Regional Arts and Culture Program (RAP) umbrella. These courses include drama, instrumental and vocal music, dance, and visual arts.
The RAP program begins with a Grade 9 introductory course, and proceeds with the following:
- grade 9 students enroll in one of five arts discipline courses (Drama, Instrumental Music, Visual Art, or Vocal)
- upon reaching grade 10, they partake in an intake process/audition and declare their intent to enroll in the Regional Arts and Culture Program (RAP)
- once enrolled, students take 2 art credits each year (one each semester) in their chosen discipline. They continue in this program until they complete grade 12
- upon graduation, in addition to an Ontario Secondary School Diploma, students receive a Regional Arts and Culture Program Certificate
SHSM
The Specialist High Skills Major (SHSM) is another extensive program that offers a broad range of specialized topics for students beginning in Grade 11. See our detailed description of SHSM.
Iona Catholic Secondary School offers several Specialist High Skills Major (SHSM) programs, including Arts & Culture, Business, and Justice, Community Safety and Emergency Services.
Dual Credits
ICSS also participates in the Dual Credits Program, where students can earn college credits while still in high school.
French Language
While French immersion and Extended French are not offered at Iona Secondary, these programs are available at nearby Loyola Catholic Secondary School. Iona does offer basic Core French classes.
OYAP
Finally, the school also offers an Ontario Youth Apprenticeship Program (OYAP) for skilled trades.
Feeder Schools
Elementary schools that “feed” Iona Secondary include:
- St. Christopher School (JK-8), 1195 Clarkson Rd N, Mississauga
- St. Francis of Assisi Catholic Elementary School (JK-8), 2480 Thorn Lodge Dr, Mississauga
- St. Helen School (JK-8), 1325 Bodley Rd, Mississauga
- St. Louis School (JK-8), 1450 Lewisham Dr, Mississauga
- St. Luke Catholic Elementary School (JK-8), 1280 Cobalt St, Mississauga
Address & Contact Information
Address: 2170 South Sheridan Way
Mississauga, ON. L5J 2M4
Phone number: 905-823-0136
Email: ionacatholicsecondaryschoolinfo@dpcdsb.org
Website: https://www.dpcdsb.org/ionas/
School Board: Dufferin-Peel Catholic District School Board
School Type: Separate High School
Academic Calendar: Semesters
School Hours:
- Sun Closed
- Mon 8:10 a.m.–2:15 p.m.
- Tue 8:10 a.m.–2:15 p.m.
- Wed 8:10 a.m.–2:15 p.m.
- Thu 8:10 a.m.–2:15 p.m.
- Fri 8:10 a.m.–2:15 p.m.
- Sat Closed
School Size: students: 750
Religious Affiliation: Christian-Catholic
Foundation Year: 1993
School Uniform: YES
Language of Instruction: English
Gender: Coeducational
Accessibility:
- Wheelchair-accessible entrance
- Wheelchair-accessible parking lot
Facilities
As a relatively recently built school, Iona offers a good assortment of modern classrooms and work spaces 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

Despite its relatively small size, Iona High School has a strong tradition of winning sports teams.
It offers students the opportunity to participate in many individual and team (Dolphins) sports, including the following:
- Badminton
- Baseball
- Basketball
- Cross Country
- Field Hockey
- Football
- Flag Football
- Golf
- Gymnastics
- Ice Hockey
- Lacrosse
- Soccer
- Slo Pitch Softball
- Swimming
- Table Tennis
- Tennis
- Track and Field
- Volleyball
- Wrestling
Extracurricular Clubs and Programs
Iona also has a good assortment of extracurricular clubs and programs which can enrich any student’s high school experience.
- Eco Team
- Faith in Flight
- Improv Club
- Link Crew
- Robotics Club
- Student Council
- Visual Arts Club
- Yearbook Club

You receive from the world what you give to the world
Iona Catholic Secondary School Ranking
This Catholic high school has consistently scored well in the Fraser Institute’s annual ranking. The most recent score was 6.0 out of a possible 10, and the school is tied for 380th place out of 746 participating high schools in the province of Ontario. Compare school rankings.
Online Reviews
Google reviews for Iona Catholic Secondary School are solid, averaging 4.0 out of 5, with dozens of reviews posted.
School and Nearby Amenities
The school is located just off the South Service Road of the QEW, near Southdown Road. Iona has outdoor track and field areas, and a large gymnasium.
Sheridan Mall is very close, offering both shopping and dining services, and the Clarkson GO Station is also only a short distance away.
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
Iona Catholic Secondary School is a good school with a great location, a good reputation, and excellent rankings in the Fraser Institute grading system.
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Next: St. Joseph Catholic Secondary School
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