Mother never graduated from grammar school. I doubt my mom had any knowledge of math, history or science. She was an excellent hand writing teacher and made sure my homework looked neat enough to give to the teacher.
Not everyone is qualified to teach their own kids or has the education and ability to home school. We see immigrants excel in even inner city schools so home life is very important.
Teachers unions cause much of the turmoil and chaos in schools along with administrators who enforce political correctness.
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Community ethnic solidarity may help some of these inner city schools succeed. If it’s mostly Asians, as an example.
White people are more casual about their acquaintances.
Some things to learn about homeschool:
1. You can learn what you are teaching the child.
2. There are group teaching where a class is taught by another parent.
3. Stats/studies have show that education of the parents is not a must have for success. Effort, is required.