Ontario Secondary School courses have a five character code.It can be broken down as follows;

Sample Course Code “MCV4U”

1- The first 3 letters identify the subject. (M) represents the department and (CV) “Calculus and Vectors” is the course name.

• A=Arts
• B=Business
• C=Canadian and World Studies
• E=English
• F=French
• G=Guidance and Career Education
• H=Humanities and Social Sciences
• L=International Languages
• M=Mathematics
• P=Physical Education
• S=Sciences
• T=Technology

2- The number (4) represents the grade level.

• 1 – Grade 9
• 2 – Grade 10
• 3 – Grade 11
• 4 – Grade 12 

3- The last letter (U) shows the course type.

Grade 9 and 10

• D=Academic
• P=Applied
• L=Locally dDeveloped
• O=Open

Grade 11 and 12

•  C=College
•  E=Workplace
•  M=University/College
•  O=Open
•  U=University