Generally, the lower IQ students wind up as Education majors. They then teach your children whatever they’ve received from their union bosses and the Leftist textbooks their curriculum committee has chosen.
Home school your children if you can’t afford a worthy private school.
“Those who cannot do...Teach. Those who cannot Teach...Teach Gym!”
The lowest SAT scores (as a group) are school of education students in college. That says something, no?