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Applied for a student permit at 35 - for a diploma course that is completely unrelated to anything I have learned in my life. Got approved without any issues. This happened back in 2019. Don't know if things have changed now. I was already in the country on a temporary visa before I applied for the student permit.
What was your TRV and what country is your passport?
 
My spouse got a closed work permit. I accompanied my spouse and was granted a temporary resident / visitor visa. After a few months, I applied for the study permit. And I was approved.

So a completely different case from someone applying from their home country.