In the age of Zoom, won't even slightly well to do parents get tutors from a remote country for a reasonable price for their kids if the school stops teaching math. The only kids who will suffer are the kids where parents are not so much focused on education, thus increasing the disparity.
You can get remote tutors to teach your kid skills, yes. However, if your goal is to have your kid advance to higher math classes, it isn't enough to just know the skills. Schools erect extreme barriers to advancement (Palo Alto USD has been successfully sued on this point [1]), so what students really need is to enroll in outside courses that are certified replacements in order to get credit. Finding out about which…
I had a somewhat similar issue in high school and 1 summer class got me more advanced than anyone else, I was able to duel enroll after that.