Iona Catholic Secondary School

iona catholic secondary school
Iona Catholic Secondary School

Iona Catholic Secondary School Mississauga

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

iona catholic secondary school mississauga
Iona Catholic Secondary School Mississauga

The school is a participant in the Regional Arts and Culture Program (RAP) with intensive courses in music, dance, drama, and visual arts. It offers academic classroom instruction for grades 9-12.

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


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 for Arts and Culture.

In addition, other SHSM programs are available at the school including Business, and Justice, Community Safety & 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.


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
  • St. Francis of Assisi
  • St. Helen
  • St. Louis
  • St. Luke Catholic

Address & Contact Information

2170 South Sheridan Way

Mississauga, ON. L5J 2M4

Phone number: 905-823-0136


School BoardDufferin-Peel Catholic District School Board

School Type: Separate High School

Academic Calendar: Semesters

School Size: students: 750

Religious Affiliation: Christian-Catholic

Foundation Year: 1993

School Uniform: YES

Language of Instruction: English

Gender: Coeducational


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.

iona catholic secondary school rear view
Iona High School Mississauga


Iona Catholic Secondary School logo

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. This year’s score was 7.4 out of a possible 10, and the school is tied for 149th place out of 739 high schools in the province of Ontario. Compare school rankings.

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

iona catholic secondary school boundary map

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 legal descriptions of boundaries or school locations, contact your school board.


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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categories: ontario school rankings, mississauga school rankings, Iona, secondary school, Iona Catholic Secondary school ranking, mississauga high schools, catholic schools mississauga, Iona high school, catholic high schools Mississauga

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Iona Catholic Secondary School
Article Name
Iona Catholic Secondary School
Review and analysis of Iona Catholic Secondary School, a catholic high school serving southwest Mississauga. Topics include school ranking, facilities, arts programs, sports, extracurricular clubs, boundary map.
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Randy Selzer - Real Estate Agent
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