This Wikipedia page says that the Black Panther, T'Challa, is a trained scientist who also invented the Quinjet. The same article says that he studied abroad. He clearly has advanced engineering skills.
Where did T'Challa go to school?
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T'Challa Black Panther went to graduate school at Oxford University in England and received a PhD in Physics. That's from this Wikia article, citing the Official Handbook of the Marvel Universe A-Z Vol 1:1.
He gained a Ph.D. in Physics from Oxford University.
The official wiki lists "Ph.D in physics" under "Education," but does not name a location.