J. Addison School

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.

Top Rankings

J. Addison School ranks among the top 20 boarding schools (out of 303 schools) for:

Definition of Terms
 | 2021 School Data
J. Addison School
School FocusCollege Preparatory
Grades (Boarding)Grades 9-12
Grades (Day)Grades Pre-K-12
School TypeCo-ed
Religious AffiliationNon-denominational
Year Founded2002
Campus Size3 acres

Student Body

Enrollment180 students
% International Students
% Students Boarding

Academics and Faculty

Saturday ClassesNo
Classroom Dress CodeFormal
Average Class Size15 students
Student : Teacher Ratio15:1
Number of AP Courses Offered8
ESL Courses OfferedYes
% Faculty with Advanced Degree
Summer Program OfferedYes

Tuition Cost

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

Acceptance Rate

Application DeadlineNone / Rolling
Director of AdmissionsLee Venditti

AP / Advanced Courses

Total Advanced Courses Offered8
CoursesBiology, Calculus, Chemistry, Computer Science, Economics, English, Physics, World History


# Interscholastic Sports Offered3 Interscholastic Sports
SportsBadminton, Basketball, Indoor Soccer


Total Extracurricular Organizations14 Extracurriculars
ExtracurricularsClub 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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