Rich can and will move. You would need exorbitant force to keep them. What is your proposed means of oppression to not make them move? Next, even if housing i

Rich can and will move. You would need exorbitant force to keep them. What is your proposed means of oppression to not make them move? Next, even if housing is mixed, rich can pool resources and start smaller scale private schooling. Results in Japanese model. You will have to prevent it by force as well. It doesn't take much to outdo people who are preoccupied trying to make ends meet and being distracted with better education amd more attention.