2 Valleywood Drive
Markham, L3R8H3, Canada
J. Addison School is a private boarding high school offering Ontario Ministry of Education-certified courses to both local and international students. The school is located in our modern 60,000 square foot building, with the main floor featuring a spacious cafeteria, dance studio, and large gymnasium with dressing rooms and showers. The second floor features large classrooms, staff room, admissions offices, and state-of-the-art science and visual art labs. Our high school, elementary and montessori programs are delviered by experienced, qualified and personable teachers. Many of our secondary school graduates enroll in prestigious universities right here in Toronto, including the University of Toronto and York University.

Quick Stats (2022)

  • Grades: (Boarding) 9-12
  • Students: 180 students
  • Yearly Tuition (Boarding Students): $40,800
  • Yearly Tuition (Day Students): $22,550
  • Average class size: 15 students
  • Application Deadline: None / Rolling

Top Rankings

J. Addison School ranks among the top 20 boarding schools (out of 309 schools) for:

School Overview

Definition of Terms | 2021 School Data
J. Addison School
School Focus
College Preparatory
Grades Offered (Boarding)
Grades Offered (Day)
School Type
Religious Affiliation
Year Founded
Campus Size
3 acres

Student Body

180 students
% International Students
% Students Boarding
Offers Post-Grad Year

Academics and Faculty

Saturday Classes
Classroom Dress Code
Average Class Size
15 students
Student : Teacher Ratio
# of AP / Advanced Courses Offered
ESL Courses Offered
% Faculty with Advanced Degree
Summer Program Offered

Tuition Cost

Yearly Tuition
(Boarding Students)
Yearly Tuition
(Day Students)
Merit Scholarships Offered

Acceptance Rate

Application Deadline
None / Rolling
Director of Admissions
Lee Venditti

AP / Advanced Courses

# of AP / Advanced Courses Offered
Biology, Calculus, Chemistry, Computer Science, Economics, English, Physics, World History


# Interscholastic Sports Offered


Total Extracurricular Organizations
Club or Organization:
"Project X" service opportunities, Board Game Club, Creative Writing Magazine, Enviro-thon, Mathematics Club, Meteorology Club at Taft (MCAT), Science, Student Council

Arts and Music Programs:
Music, Speech and Drama

Recreational Athletic Programs:
Ballet and Alternative Dance Program, House vs. House Sports Competitions, Sports, Vocal and Instrumental

School Notes

    Our Missionis to provide non-denominational educational programs of superior quality, specifically designed to enable each and every student at every age level to fully harness their intellectual, social, and emotional potential.Passion, Courage, Trust At J. Addison School, we strongly believe that intellectual education encompasses academic achievements as well as personal accomplishments. We provide guidance and care to allow for the development of universal skills and the cultivation of moral values that are vital to the comprehensive development of our new generation.Respect, Innovation, Compassion At J. Addison School, students from all over the world benefit from each other`s differences in background and experiences. This allows for comprehension and appreciation of the vast cultural diversity that exists, but also promotes a realistic, acute sense of world economy and international cultures. We strive for all J. Addison School students to become respectable and responsible global citizens.The 7 Pillars of the Addison Advantage:
  • Safe and Inclusive Learning Environment: At J. Addison School, we embrace the multiculturalism that is vibrant in Canada by valuing the diverse backgrounds and experiences of students from all over the world. This facilitates our goal to nurture a harmonious, safe and secure learning and living environment. Our campus dormitories are supervised 24 hours per day by our on-site staff to provide extensive care and support to students at any time, allowing them to focus on their studies.
  • Individualized "Focus For Success" Programming: At J. Addison School, our professional and experienced Guidance Counsellors work meticulously with each and every student to determine their potential and interests and clarify their developmental goals. This will facilitate the planning of their educational program to ensure future success.
  • Dedicated Administrative Team and Academic Staff: At J. Addison School, from the Board of Directors, Administration team to the teachers and staff, we provide unlimited academic guidance and inspiration to students, as these are necessary criteria for success. Student academic progress is monitored regularly to ensure students have a precise understanding of their educational performance, abilities and goals.
  • Technology-integrated Methodologies: To supplement the traditional curriculum, our students learn with 21st Century technology which enables better engagement, encourages interaction; thus, strengthening both teaching and learning processes.
  • Modern Resources and Facilities: At J. Addison School, we provide students with the most inclusive learning environment. With state-of-the-art classrooms, science laboratories, a multi-sport gymnasium, dance/fitness studio, music room, resourceful library, cafeteria with supervised nutritionist, and year-round dormitory residences, we truly can be every student`s optimal school of choice.
  • Transparent Parent-School Communications: At J. Addison School, we encourage parents to be part of our learning community. We make great efforts to maintain regular contact and update parents with students` academic progress and dormitory life. We also work with parents diligently to oversee individual student needs to enable peace of mind for families.
  • University Application Support: At J. Addison School, we provide students with all the support required to facilitate the University application process. This includes subject selection counseling, organized university visits and seminars, assistance with university applications, support and follow-up, so that our graduates are confident with their university decisions. Our absolute attention is one of the main reasons why J. Addison`s graduates have a 100% acceptance rate.
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Quick Stats (2022)

  • Grades: (Boarding) 9-12
  • Students: 180 students
  • Yearly Tuition (Boarding Students): $40,800
  • Yearly Tuition (Day Students): $22,550
  • Average class size: 15 students
  • Application Deadline: None / Rolling

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