A lot of this discussion depends fundamentally on where you live.

IF you live in a state that recognizes giftedness and provides funding, then you're got some leverage or ability to shift public policy.

IF you live in a state that does not recognize giftedness and provides zero funding, then the steps to get any accommodation through the state level is fraught and often comes to naught. That's the harsh reality. So what do you do? It's awfully difficult to change public policy with a wall.

Even in a state, such as MA, that doesn't recognize giftedness or provide funding in terms of giftedness, there are some towns or schools that do on a limited basis. What often happens is that the parents end up moving to those school districts so they can get something rather than nothing and affect the local schools that make those modest accommodations.