There are scarcely any other institutions, parents included, that are capable of teaching children how to read, write, do math, science fundamentals, etc.
We should be dumping 1000x the amount of money we currently are into public schools. Teachers ought to be among the best paid members of the middle class. Yes, schools have their issues, but the solution is to recognize the critical function they serve and the massive underselling of what they could do for us if treated properly as an asset, and to start funding them correctly.