Interesting that you call out his lack of data/sources, assert he is wrong, and don’t provide any sources of your own.
It seems like zip code is a good indicator of public education quality, though. Here’s an actual source if you’d like to read about it: https://www.jec.senate.gov/public/index.cfm/republicans/2019...
If you’re curious about wealth impact on public schooling quality, see table 1 for a clear breakdown.