Ontario Secondary School Diploma (OSSD)

18 Compulsory Credits



4 Credits in English

(1 credit per grade)*

3 Credits in Mathematics

(1 credit in Grade 11 or 12)

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

Plus one credit from each of the following groups:

Group 1

Group 2

  • English or French as a second language
  • A Native language
  • A classical or an international language
  • Social sciences and the humanities
  • Canadian and world studies
  • Guidance and career education
  • Cooperative education

  • Health and physical education
  • The arts
  • Business studies
  • French as a second language
  • Cooperative education

Group 3


  • Science (Grade 11 or 12)
  • Technological education
  • French as a second language
  • Computer studies
  • Cooperative education


In addition to the compulsory credits, students must complete

  • 12 optional credits
  • The provincial literacy requirement
  • A minimum of 40 hours of community involvement activities

40 Hours of Community involvement

The community involvement requirement is designed to provide students with the opportunity to develop awareness and understanding of civic responsibility. They can actively participate in supporting and strengthening their communities. It also provides the opportunity for students to learn more about themselves and possible career opportunities.

Students can start accumulating hours in the summer before entering Grade 9.

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