Since your son is in his 2nd year, best is to look for a University/College admission. Visit/Browse the website of your chosen school and find out their admission requirements.
1. Look for school/university/college
2. Determine the requirements for admission
3. Secure all documents needed by school
4. If IELTS is required: review, book for exam, and obtain the minimum bandwith requirement of your school
5. Get Letter of Admission from the school
6. Choose your application route:
- Regular Stream (6 weeks processing) or
- Study Direct Stream SDS (20 calendar days processing)
7. Secure documents/requirements for CIC application.
Check out the ff link:
http://www.cic.gc.ca/english/pdf/kits/forms/IMM5836E.pdf&ved=2ahUKEwj_k8aO9qPjAhWIPXAKHfB9B_MQFjAKegQIBBAB&usg=AOvVaw1A8w38ZVPh1oYVqDQH9hsL