Where does T'Challas sister learn science from

If I'm not mistaken, Shuri mentions a few times that her and her team created things. This mitigates Mary Sue nature, and shows that there are more Highly Educated and Technical people in Wakanda. Just like Antman was a Superhero Heist Movie, Winter Soldier was a Superhero Spy Thriller, Spiderman was a Superhero John Hughes High School comedy, Ragnarok was a Superhero Buddy Cop movie, Black Pather is obviously a Superhero James Bond thriller. The comparison to Q is perfect because that's what she was. And I've never heard anyone complain about Q and his team's schooling was withheld from the viewer. We assume he's the best at his job because he is making and showing things to the protagonist who we assume is the best at his job.