Did you know that you may be able to claim the expenses for private school as a medical expense? If the school is required due to a physical or mental impairment, you may apply to the Canada Revenue Agency (CRA) to have the fees considered a medical expense.
Big Cajun Man of the Canadian Personal Finance Blog has a detailed article on how you may be able to claim these expenses.
I have copied his template letter to the CRA and added it to my files page.
Autism Funding in BC 