You can’t enter information directly onto the forms in TurboTax Online. You can only view them in the PDF copy of your return. https://turbotax.community.intuit.ca/replies/2648070

Schedule 11 is used for student related credits such as tuition. Here is a FAQ listing what tuition, education, and other expenses can a student claim, along with links to How To instructions: https://turbotax.community.intuit.ca/replies/2648040