Try "continuous progress acceleration". Have you looked at "A Nation Deceived" book? It may help you prepare for meetings. The book is available as free PDF online.

When I was in this situation, I "afterschooled" my son with the school's learning targets. They were looking for holes. If they found a hole, they would not accelerate. So I looked for holes and provided material for him to fill any gaps. There were unintended consequences, but it might work in your situation.