
Important Things You Should Know
QUESTIONS & ANSWERS
General Information
The Ontario Secondary School Diploma (OSSD) is a diploma granted to high school students in Ontario who successfully complete the required credits and meet other graduation requirements. It is recognized by universities and colleges worldwide.
Yes, Thornhill High School is authorized by the Ontario Ministry of Education to offer the OSSD program. School #669687.
The OSSD is highly respected and prepares students for post-secondary education, apprenticeships, or the workforce. It emphasizes critical thinking, creativity, and real-world skills.
Course Selection and Planning
Students work with guidance counselors to select courses based on their interests, strengths, and post-secondary goals. Course selection typically occurs in the spring for the following school year.
Yes, students can take courses online or during the summer to earn additional credits or recover credits. These options must be approved by the guidance counselor.
Academic courses focus on theory and are designed for students planning to attend university.
Applied courses focus on practical applications and are suited for students planning to attend college or enter the workforce.
Open courses are available to all students and focus on general knowledge and skills.
Post-Secondary Preparation
The OSSD provides a strong academic foundation and emphasizes critical thinking, communication, and problem-solving skills. Thornhill High School also offers guidance on university/college applications and scholarships.
Yes, the OSSD is recognized internationally. However, students should check specific admission requirements for universities in their desired country.
Graduation Requirements
Compulsory courses include:
4 credits in English (1 credit per grade)
3 credits in Mathematics
2 credits in Science
1 credit in Canadian History
1 credit in Canadian Geography
1 credit in the Arts
1 credit in Health and Physical Education
1 credit in French as a Second Language
0.5 credit in Career Studies
0.5 credit in Civics
3 additional credits (group-specific requirements).
Students must earn a total of 30 credits, including:
18 compulsory credits (e.g., English, Math, Science, History, etc.)
12 optional credits (electives based on student interests and career goals).
Yes, students must:
Complete 40 hours of community involvement.
Pass the Ontario Secondary School Literacy Test (OSSLT) or complete the Ontario Secondary School Literacy Course (OSSLC).
Community Involvement and Literacy Requirements
Students can volunteer with non-profit organizations, community events, or school-approved initiatives. Examples include tutoring, food drives, or environmental cleanups.
Students who do not pass the OSSLT can take the Ontario Secondary School Literacy Course (OSSLC) to meet the graduation requirement.
Support and Resources
Thornhill High School offers tutoring, peer mentoring, and guidance counseling to help students succeed. Students can also access online resources and after-school programs.
Students and parents can contact the guidance department at thornhill@tshcool.ca or call (604) 868-6756 for assistance.
Transfer Students
Yes, transfer students can earn the OSSD. Credits earned at other schools will be evaluated and applied toward the OSSD requirements.
International students receive additional support, including English language assistance (if needed) and guidance on meeting OSSD requirements.
Ask Us Anything, Anytime.
Get in touch if you have any questions!