Alternatively, if we provided the first 13 years free, why can't we provide 4 more years? That includes vocational education for welders/electricians/plumbers e

Alternatively, if we provided the first 13 years free, why can't we provide 4 more years? That includes vocational education for welders/electricians/plumbers etc. Ideally we find a way to extend the community college model to 4 year degrees without them being corrupted into the same financial issues.