This is an Excellent point. Failing at educating your students? It’s not your fault your school is terrible, your teaching is terrible or your student engagement is terrible, it’s this imaginary ‘system’ conspiring against your students because of their complexion.
Want to find the problem? Normalize outcomes to just the groups with single parent households… guess what??? Race disparity vanishes.
A strong family and culture of family values matter. No nanny state idealism based on obfuscation and false equivalencies will ever make this untrue.