mine was like 3 decades ago. i remember like it was all cishetero normative, and even then focused just on the anatomical mechanisms... mostly the fact that the only absolutely safe thing you could do was nothing. consent not mentioned. hell, jorkin' it wasn't really discussed either, except to say that most women didn't really do that, only guys. eye roll.
this was at age 14, in a big 200 seat auditorium, with a part time PE coach lamenting that this had to be taught due to some state wide requirement. also, not seemingly a type of guy whose partner would characterize as a sensitive and capable sexual partner.
needless to say, a lot of the people i went to school with would characterize their kids as accidental/didn't mean to, and would only really, seriously investigate "family planning" after they had like 3 kids, didn't want anymore, but still wanted to bust with their partner regularly. i remember one friend said to me that it was impossible [in a cishetero relationship] to prevent having kids because, quote, "shit happens". guy was like 40 at the time, with two kids and on his third marriage! smdh