and we need to let kids fail and re-introduce “streaming” teaching where smart kids can get into classes with smart kids, and unmotivated kids can get put into classes that refocus their learning and fix their fundamentals.
You might be interested to learn that "gifted" classes were introduced as a reaction to integration of black students and students with disabilities. It was always about keeping privileged kids away from the rabble and has little to do with student performance or ability.