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An Ontario diploma, earned from home.

International High School of Canada teaches the Ontario curriculum online, Grades 9 to 12, to students in India, the Gulf and around the world.

Teachers in Ontario, students across time zones.

Toronto 
Dubai 
Riyadh 
Doha 
Mumbai and Delhi 

About the diploma

The Ontario Secondary School Diploma is earned by completing 30 credits of the Ontario curriculum. Our students take the same courses, meet the same standards and graduate with the same diploma as students in Toronto, from a desk in Mumbai, Dubai or Riyadh.

63Ontario courses across Grades 9 to 12
5levels of English language support, from beginner to advanced
20%scholarship per credit for students with benchmark grades

Read any Ontario course code.

Codes appear on transcripts, university applications and our catalogue. Each part tells you something. Tap a part to see what.

Thirty credits to a diploma.

Most students earn 8 credits in each of Grades 9, 10 and 11, then 6 in Grade 12. Here is one student's four years.

0of 30 credits
  • Two online creditsEvery course here is online, so the first two courses meet it.
  • Literacy requirementThe Ontario literacy test, usually written in Grade 10, or the OLC4O course.
  • 40 hours of community involvementVolunteer work, completed where the student lives.
  • 30 credits, 17 of them compulsoryIncluding four in English, three in mathematics and two in science.
Sample plan, engineering trackGrades 9 to 12
Credit earnedUniversity preparation (U or M)

Pay per credit, in Canadian dollars.

Take one course to strengthen a university application, or all thirty for the full diploma. The price is per credit either way.

Domestic students$699per credit
International students$849per credit

Fees, scholarships and payment

Student type
8 credits
Estimated tuition CAD $6,792

Find your course.

Search 63 Ontario courses and 7 language credits by name, subject or code.

    Open the full catalogue

    From application to first lesson.

    1. 1

      Apply online

      Tell us about the student and the courses they want. It takes about ten minutes.

    2. 2

      Share past results

      Send transcripts from previous schools. We assess them and count every credit that applies toward the diploma.

    3. 3

      Agree a course plan

      Admissions builds a plan around the student's grade, goals and target universities.

    4. 4

      Start studying

      The student logs in to their first Ontario course from home, at a pace that fits their week.

    Where the diploma leads.

    The OSSD is the diploma Ontario students use to apply to university. Universities in many countries admit students who hold it. Requirements differ by university and program, so we check them for every student when we build their plan.

    • Canada Admission on six Grade 12 U and M courses
    • United States Applied to as a high school diploma
    • United Kingdom Reviewed with Grade 12 results
    • Australia Reviewed with Grade 12 results

    Start your application.

    It takes about ten minutes. Admissions then contacts you with a course plan and fees for your student.

    Apply now