According to the Canada Revenue Agency (CRA), "Post-secondary school scholarships, fellowships, and bursaries are not taxable if you received them in 2020 for your enrolment in a program if you are considered a full-time qualifying student for 2019, 2020, or 2021." That's why TurboTax will auto-load your scholarship exemption if you are a qualifying full-time student who is enrolled in an educational program and received the scholarship in 2020.
For more information, this link below from the CRA website may be useful.
Scholarships, fellowships, bursaries, and study grants (awards)
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