905-734-7458 170 Wellington Street, Welland, ON, L3B 1B3

Diploma Requirements

  • 30 Credits (110 hours each, 18 compulsory credits and 12 options)
  • 40 community involvement hours
  • Successful completion of the Ontario Secondary School Literacy Requirement
  • Successful completion of two online learning credits

Breakdown for students who started Grade 9 in fall 2023 or earlier:

Compulsory Credits

  • 4 credits in English (1 credit per grade)
  • 3 credits in mathematics (at least 1 credit in Grade 11 or 12)
  • 3 credits for group 1, 2 and 3 courses (1 credit in each group)
  • 2 credits in science
  • 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 and citizenship
The following also apply to compulsory credit selections: 

Optional Credits

You must complete 12 optional credits by successfully completing other courses in Eastdale's course calendar. 

Breakdown for students who started Grade 9 in fall 2024 or later:

Compulsory credits

You need the following 17 compulsory credits to get your OSSD:

  • 4 credits in English (1 credit per grade)
  • 3 credits in mathematics (Grade 9, Grade 10 and 1 credit in Grade 11 or 12)
  • 2 credits in science
  • 1 credit in technological education (Grade 9 or Grade 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 and citizenship
  • 1 credit from the STEM-related course group

The following apply to compulsory credit selections.

Optional credits

You must earn 13 optional credits by successfully completing courses from Eastdale's course calendar.