On line 31900 of your return, enter the eligible amount of interest paid on your student loans.
Claim any corresponding provincial or territorial credits. You may claim those credits by entering the amount of your student loan interest on line 5852 of your provincial income tax return
In TurboTax Online:
Select Find (or the magnifying glass icon) from the TurboTax menu
In the Find window, type Students and choose it from the list
On the Your Student Profile step, select Student loan interest and then Continue
On the Student Loan Interest step, enter your interest amounts