As a HS exchange student in Spain, in the sciencias track, had an ethics course. Not sure how much I took in.
Undergrad BS in psych, not sure there was much required but I took an elective Science and Human Values.
MS in Technical Communication, but I had started in Public Admin. and took their 1 credit req’d ethics course, +some IRB type ethics for my thesis.
PhD in Public Policy, had a req’d ethics course, IRB cert for a TA role and for my dissertation.
*STEM adjacent