You've learned that your child has a disability. You asked your private sector expert to tell you what special education services your child needs. When you took this information to the school, you ran into a wall of resistance. Good quality special education services are expensive. Many children with disabilities need instruction from teachers who have specialized training.
Many school districts balk at providing intense instruction.
Of course not. You learn to negotiate . Parents must negotiate with school districts for special education services. You learn to negotiate as you learn any new skill. First, you learn the steps.