I usually look at the auto admit college requirements as a benchmark for minimum. ASU require 3 lab sciences, as does U Arizona. Iowa State just says 3 years science. I’m also guessing they are looking at higher level colleges but then the requirements should be more not less stringent.
Agree with the other posters who point out there are bad teachers everywhere and student needs to figure out how to handle them.
OP hasn’t responded to any posts yet I don’t think.