There’s actually a fascinating history(conspiracy?) of how American public schools which used to make their own lunches slowly got pinched by changing nutrition standards and swept into Gordon Food Service (?) frozen food hell because it was cheaper at the time. Super glad I got live through it all! /s
Pretty sure an enforced diet by the school would be highly controversial and opposed by many parents, despite the possible health benefits.
There’s actually a fascinating history(conspiracy?) of how American public schools which used to make their own lunches slowly got pinched by changing nutrition standards and swept into Gordon Food Service (?) frozen food hell because it was cheaper at the time. Super glad I got live through it all! /s