Sadly, I think often schools do NOT provide the services that special needs kids require. I would hope the resistance to providing services stems from financial and staffing constraints and not negligence. But either way it’s illegal.
Often I think principals just don’t know all the ins and outs of federal and state laws that regulate the support to which these children are entitled.
This year I have met several ladies involved in advocacy for special needs kids, and I coincidentally attended last week a seminar about writing IEPs by some education advocates.
Education advocates are people that know the special education system. For a fee, they will review your case, help you figure out what testing you need and then can even come into your IEP meeting with you to fight for what your child