In WA they always pass levies for education funding at local and state level however results are not there.

Mississipi is doing better on reading, the biggest difference being that they use phonics approach to teaching how to read, which is proven to work, whereas WA uses whole language theory (https://en.wikipedia.org/wiki/Whole_language), which is a terrible idea I don't know how it got traction.

So the gist of it, yes, spend on education, but ensure that you are using the right tools, otherwise it's a waste of money.