Ontario Secondary schools: Grades 9-12,
Program and Diploma Requirements

Students in grades 9-12 are subject to the Diploma Requirements of the Ministry of Education, as described in the section for these grades.

Great care has been taken in editing this website content but errors do occur and provincial policies can change. 

The most authoritative source for descriptions, course prerequisites and
graduation requirements is the Ministry Of Education Website.

Ontario Secondary School
Diploma (ODSSD) Requirements.

Students must earn the following compulsory
credits to the Ontario Secondary School Diploma (OSSD).

View Requirements

The Credit System

A credit is granted in recognition of the successful completion of a course that has been scheduled for a minimum of 110 hours. Normally, students in Grades 9-12 will be able to earn 8 in each year towards the 30 credits they will require to obtain a diploma.

Optional or Elective Courses

Students must complete a minimum of 12 elective credits selected from those available and those of specific interest to the student and their individual goals for career and future educational programs. These will be selected with the assistance of parents, counselors, teachers, and administrators.


Students are now required to earn two e-Learning credits to graduate from secondary school, beginning with every student who entered Grade 9 in the 2020-2021 school year. Families wanting to opt out of this requirement must complete the eLearning opt-out form.

Credit Substitution

In order to ensure that all students can qualify for the OSSD or the Certificate of
Education, principals may substitute among the compulsory credits as follows:

  • Up to three compulsory credits may be replaced by additional courses
  • from the remainder of those listed as compulsory.
  • A maximum of one credit earned for a learning strategies course maybe
  • used through substitution to meet a compulsory credit requirement.
  • Parental approval of such substitution shall be provided in writing.
  • Each substitution shall be noted on the Ontario Student Transcript.