Requirements for the Ontario Secondary School Diploma

Students must earn the following compulsory credits to obtain the Ontario Secondary School Diploma:

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 technological education (Grade 9 or 10)
1 credit in Canadian history (Grade 10)
1 credit in Canadian geography (Grade 9)
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
1 credit from the STEM-related course group

The following apply to compulsory credit selections.

You can use the Grade 11 English: Understanding Contemporary First Nations, Métis and Inuit Voices course to meet the Grade 11 English compulsory credit requirement.
You can use the Grade 9 Expressions of First Nations, Métis, and Inuit Cultures course to meet the compulsory credit requirement in the arts.

STEM-related course group

Of the 17 compulsory credits, you must complete 1 from the following group:

business studies
computer studies
cooperative education
mathematics (in addition to the 3 compulsory credits currently required)
science (in addition to the 2 compulsory credits currently required)
technological education (in addition to the 1 compulsory credit required)

Optional credits

You must earn 13 optional credits by successfully completing courses from your school’s program and course calendar.

Optional credits may include up to 4 credits earned through approved dual credit programs.

In addition to the compulsory and optional credits, credits, students must complete:

40 hours of community involvement activities
the provincial literacy requirement
2 online learning credits

Source: https://www.ontario.ca/page/earning-your-high-school-diploma

Requirements for the Ontario Secondary School Diploma (for students who started Grade 9 before Fall 2023)

Students must earn the following compulsory credits to obtain the Ontario Secondary School Diploma:

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:

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***

Group 2:

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†
40 hours of community involvement activities
the provincial literacy requirement
2 online learning credits

*A maximum of 3 credits in English as a second language (ESL) or English literacy development (ELD) may be counted towards the 4 compulsory credits in English, but the fourth must be a credit earned for a Grade 12 compulsory English course.

**In groups 1, 2, and 3, a maximum of 2 credits in French as a second language can count as compulsory credits, one from group 1 and one from either group 2 or group 3.

***A maximum of 2 credits in cooperative education can count as compulsory credits.

†The 12 optional credits may include up to 4 credits earned through approved dual credit courses.

Source: www.edu.gov.on.ca/extra/eng/ppm/graduate.html