Here is a chart that describes what you need to graduate from an Ontario Secondary School.
The addition to this is that at St. David students are required to take a Religion course every school year.
The Grade 9 and 10 Religion courses count as Electives.
The Grade 11 Religion credit can count as the Group 1 Compulsory credit.
The Grade 12 Religion credit (4M) can count as one of the 6 courses to apply to university with.

Click on the image below to go to the full size document.