It is what it is at this point.
But for any incoming 9th graders reading, given the choice between bio and physical science, choose bio if academically qualified. The general rule is to take the more advanced option in any subject where recommended and if you can handle.
That said, I do think something was lost in translation during the course selection process, as I am skeptical that a teacher would make a statement that 95% of students failed. If true, that speaks to failures of the teacher or the school or both.