J. Addison School (2026 Profile) - Markham, Ontario, Canada

2 Valleywood Drive
Markham, Ontario, L3R8H3, Canada

Tel: (905) 477-4999

jaddisonschool.com

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J. Addison School Photo #1 - Main school building

J. Addison School Photo #2 - J. Addison graduates achieved 100% Post-Secondary Acceptance Rate year after year. Our Students' Success Is Our Success!

J. Addison School Photo #3 - J. Addison graduates received exclusive scholarships from York University as part of our Pathway Program partnership.

J. Addison School Photo #4 - The Addison Advantage: Personalized Guidance and Care to guide our students through important milestones.

J. Addison School Photo #5 - The Addison Advantage: State of the art facilities, amenities & technology.

J. Addison School Photo #6 - The Addison Advantage: "Focus For Success" program provides students the opportunity to explore and develop their strengths and inner talents.

J. Addison School Photo #7 - Cafe J is the school's cafeteria serving up nutritious and flavorful meals 3 times a day.

J. Addison School Photo #8 - J. Addison currently has 3 fully equipped residences, providing a home away from home for our international students.

J. Addison School Photo #9 - J. Addison Boarding Life: recreational activities and weekend trips are regularly organized to ensure an enriching experience for our students.

J. Addison School was founded in 2002 to serve both local and international students.

The facilities are modern and extensive, including in-campus boarding and support programs designed with the needs of international students specifically in mind. The ideal student is one who will thrive in a challenging, academically oriented, international environment, and who is intending to continue to post-secondary education in Canada.

Quick Facts (2026)

Grades: (Boarding Students) 7-12
Grades: (Day Students) 1-12
Enrollment: 250 students
Yearly Tuition (Boarding Students): $22,500
Yearly Tuition (Day Students): $25,500
Acceptance rate: 100%
Average class size: 15 students
Application Deadline: None / Rolling
Source: Verified school update

Top Rankings

J. Addison School ranks among the top 20 boarding schools (out of 307 schools) for:

School Overview

| 2025 School Data

J. Addison School

School Focus

College Preparatory

Grades Offered (Boarding)

7-12

Grades Offered (Day)

1-12

School Type

Co-ed

Religious Affiliation

Non-denominational

Year Founded

2002

Campus Size

3 acres

School Calendar

View School Calendar

School Motto

Our Students’ Success Is Our Success

Student Body

Enrollment

250 students

% Students of Color

50%

% International Students

75%

% Students Boarding

70%

Offers Post-Grad Year

Academic Profile

Saturday Classes

Classroom Dress Code

Formal
Uniform

Average Class Size

15 students

Student-Teacher Ratio

15:1

# of AP / Advanced Courses Offered

ESL Courses Offered

Yes

% Faculty with Advanced Degree

22%

Summer Program Offered

Yes

Summer Program Details

View Summer Program Details

# of AP / Advanced Courses Offered

Courses

BiologyCalculus

ChemistryComputer Science

EconomicsEnglish

PhysicsWorld History

Tuition & Financial Aid

Yearly Tuition
(Boarding Students)

$22,500
(excluding additional fees)

Yearly Tuition
(Day Students)

$25,500
(Grade dependent; excluding additional fees)

Merit Scholarships Offered

Yes

Admissions

Application Deadline

None / Rolling

Average Percentile SSAT

n/a%

Acceptance Rate

100%

Director of Admissions

Daniel Cooper
Lee Venditti

Associate Director of Admissions

Teresa Vallejo

Application URL

Online Application

Sports

# Interscholastic Sports Offered

Sports

BadmintonBasketball

Indoor Soccer

Colors

Gold and Royal Blue

School Mascot

Jaguars

Extracurriculars

Total Extracurricular Organizations

Extracurriculars

Club or Organization:

"Project X" service opportunitiesBoard Game Club

Creative Writing MagazineEnviro-thon

Mathematics ClubMeteorology Club at Taft (MCAT)

ScienceStudent Council

Arts and Music Programs:

MusicSpeech and Drama

Recreational Athletic Programs:

Ballet and Alternative Dance ProgramHouse vs. House Sports Competitions

SportsVocal and Instrumental

College Matriculation

10 Most Popular College Choices (# Enrolled)

View Matriculation Data

School Notes

J. Addison School has a 100% placement rate for graduates pursuing post-secondary education. Our students are regularly accepted into prestigious universities in Canada and around the world.
Our school runs a multi-subject instructional period called Focus for Success. The program is a unique learning period and provides J. Addison students with the opportunity to access many resources and services to enhance their understanding and learning. They are able to work on group projects, receive assistance from teachers or take part in a wide range of extra-curricular sports or co-curricular activities that support healthy social, emotional, and physical development.
Our boarding program is designed to provide a "home away from home" for students in Grades 7-12. With residence halls offering comfortable and secure living arrangements, students are encouraged to grow independently while receiving personal and academic support from our dedicated residence counsellors. This program not only fosters academic excellence but also promotes the social, emotional, and physical well-being of students through various activities and leadership opportunities.
Sample of notable school alumni/alumnae:
- Ibrahima from Guinea -
- Ava from Iran -
- Janice from Hong Kong SAR, China -
- Ravjeet from Canada -

Source: Verified school update

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Frequently Asked Questions

How much does J. Addison School cost?

J. Addison School's tuition is approximately $22,500 for boarding students and $25,500 for day students.

What is the acceptance rate of J. Addison School?

The acceptance rate of J. Addison School is 100%, which is higher than the boarding school average of 58%.

Who are famous alumni from J. Addison School?

J. Addison School famous alumni include: Ibrahima from Guinea, Ava from Iran, Janice from Hong Kong SAR, China and Ravjeet from Canada.

What sports does J. Addison School offer?

J. Addison School offers 3 interscholastic sports: Badminton, Basketball and Indoor Soccer.

Does J. Addison School offer a summer program?

Yes, J. Addison School offers a summer program. Visit their summer school page for more information.

What is J. Addison School's ranking?

J. Addison School ranks among the top 20 boarding schools for High percentage of international students.

When is the application deadline for J. Addison School?

The application deadline for J. Addison School is rolling (applications are reviewed as they are received year-round).

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