OSS: Requirements for the Ontario Secondary School Diploma

You must earn a minimum of 30 credits to earn an Ontario Secondary School Diploma, including:

            •    18 compulsory credits,
            •    12 optional credits,                        
            •    40 hours of community involvement, and
            •    successful completion of the Ontario Secondary School Literacy Test.

Compulsory credits (total of 18)   
       
        •    4 credits in English (1 credit per grade)
        •    1 credit in French as a second language or Native language
        •    3 credits in mathematics (at least 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
        •    .5 credit in civics
        •    .5 credit in career studies plus:
        •    1 additional credit in English, or a third language, or social sciences and the humanities, or Canadian and world studies
        •    1 additional credit in health and physical education, or the arts, or business studies
        •    1 additional credit in science (Grade 11 or 12) or technological education (Grades 9–12)

Optional credits (total of 12)

        •    may be earned by successfully completing courses selected from the school calendar