here's the only financial advice that everyone needs: dont spend more money than you have
everything else you can figure out or do on your own. idk why internet nerds always feel like managing your finances is this super unobtainable concept that has to be taught in HS, at its core it's not that complicated.
I generally agree with this. You're given all of the tools you need to, for example, do your taxes in high school. I don't think people really think about how their hypothetical "do my finances" class would even be structured. They just imagine it as this nebulous thing they sit in where they have that skill at the end of it.
i think a lot of ppl that propose this idea dont really have any concept of how taxes/finances work because they're still teens, fully dependent on their parents, etc
it's really not rocket science. doing your taxes for example, is not even that hard. it literally tells you exactly what to write on the form. you just have to read it.