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Our School 408
Our School
Our School Improvement Plan (Updated January 8, 2014): School Improvement Plan
View our Open House Video: 2014 Click Here    2013 Click Here
We have an active Almuni Association:
We have been certified as a Gold Ontario Eco-School for 2012 and 2013
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Our school motto is Post Proelium Praemium (After the struggle, the reward.).
Our school mascot is the Thornhill Tiger.
Thornhill S.S. was officially opened in 1956. Additions were placed on the original school in 1961 (Link), 1964 (Library) and 1998 (Science Wing).
Art Lab D.D. Room
Student Council Office Cafeteria and Servery
Auto Lab Weight Room
Construction Lab Classrooms
Communication Technological Lab   Family Studies Lab
Design & Technological Lab Drama Stage
Gymnasiums Food Lab
Guidance Offices Outdoor Fields
Music rooms Staff Dining Room
Resource Center Outdoor Track
Student Parking Facilities Staff Room
Science Lab Yearbook Office
Darkroom Washroom and Shower Facilities

Number of: 254
Labs: 5 (including one portable lab)
Curriculum and Co-Curricular Activities
As with each school in the York Region District School Board, Thornhill S.S. supports student learning through the curriculum standards set out by the Ontario Ministry of Education and many other co-curricular activities.
In addition, our school offers the following programs:
  • Healthy Eating and Active Living (HEAL)
  • Healthy Active Mornings (HAM)
  • an Alternative Education Program
  • a Credit Recovery Program
  • an English as a Second Language Program
  • a Music Program
  • Special Education Programs
  • a Gifted Program
  • a D.D. Program
  • a PEAK (Pathways to Education and Academic Knowledge) Program at Thornhill Square
  • a High Performance Athlete Program
  • Drop Everything and Read (DEAR)
  • Student Exchanges
  • a Mentorship Program
  • Peer Mediation
  • Student Success Team
Students may choose to participate in a vareity of co-curricular activities such as the below. For an up-to-date and complete list, please click on the "Student" menu tab.
Animal Advocacy  Debating Jewish Students Union
Anime DECA Korean Student Association
Announcement Team  Drama Math
Athletic Council (TAC) Eco Team Mentors
Cancer Awareness ESL Homework   Outdoors
Chess Eye of the Tiger (student newspaper) Peer Helpers
Chinese Student Association   Free the Children Prefects
Christian Fellowship Gay/Straight Alliance Sound and Light Crew
Circle of Friends History Advisory Board Student Nutrition Advisory
Junior Brass Ensemble.   Senior Jazz Band Concert Choir
Senior Brass Ensemble Symphonic Band   Flute Ensemble
Jazz Choir Wind Ensemble Wind Ensemble
Junior Jazz Band   Guitar Ensemble Music Council
Sports Teams
The York Region Athletics Association coordinates sports activities. Visit their website at for a full listing.
Safe and Supportive Schools/Character Education/Equity Education
Every student has the right to learn in a safe and supportive environment. The York Region District School Board has a Safe Schools Policy and a defined procedure to implement the policy. Both the policy and procedure support the view that student discipline involves a continuum of support including prevention, intervention and appropriate consequences.
In addition, Thornhill S.S. supports the development of character education in the York Region District School Board. The following is an overview of the school’s Character Education initiatives:
  • Peer Mediation
  • Prefects and Mentors
  • Peer Tutors
  • Community Outreach/Clubs
  • Guest speakers
  • Fundraising for a variety of Charities
  • Announcements
  • Social Awareness & Activism
Our Community
Thornhill S.S. is proud of its community involvement. In addition to a number of private sector partnerships, the following community agencies serve our school and its community.
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  • Big Brothers/Big Sisters
  • Canadian Mental Health Association
  • Cancer Foundations
  • Children’s Aid Society
  • Early Intervention Services
  • Jewish Family & Child Services
  • Kid’s Help Phone
  • Kinark Child & Family Services
  • Lion’s Club
  • Markham-Stouffville Family Life Centre
  • Markham Fire Department
  • Ontario Early Years
  • Parents Against Drugs (PAD)
  • Pathways – Outreach Workers
  • Roots of Empathy
  • Settlement and Partnership in York Region – SEPYR
  • Thornhill Community Centre
  • Thornhill Community Centre Public Library
  • Women’s Support Network of York Region
  • York Central Hospital
  • York Centre for Children, Youth and Families
  • York Links
  • York Region Abuse Program
  • York Region Health Services
  • York Region Police
  • Youth Employment Services
  • Recognizing Student Success
    Thornhill S.S. is proud of all of its students. We make every effort to recognize student achievement, including:
    • Announcements – Daily and Special Announcements
    • Annual Learning Plans
    • Character Assemblies
    • Commencement
    • Community Involvement Records
    • EQAO Results
    • Honour Roll Recognition
    • Juniour Awards Assembly
    • Newsletters
    • Plaqued Certificates of Student Recognition Displayed in Hallways
    • Report Cards – Interim, Mid-term, and Final
    • Scholarships
    • Science Olympics
    • Subject Certificates for Excellence in Achievement and Effort
    Student Leadership
    Student leadership is the foundation of all school initiatives that benefit our student population and community.
    The student council, Board of Student Senators (BOSS) is an elected group that represents the views of the student body. They lead all school events including fundraising for the Yellow Brick House, Emergency Relief, Care & Share Drive to help the less fortunate during the holidays. Students demonstrate their leadership as members of, one of our councils or club leaders. These councils provide specific special events for students.
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