School age kid should have been assessed for TAG three different times but never was, school/district is ignoring our requests, advice?

Long story short, my 4th grader should have been assessed for TAG by the school district (by their own criteria, found on their website) after COGAT testing in the 2nd grade and Smarter Balanced testing in the 3rd grade, plus I specifically (via email) requested a TAG assessment in October of last year and my kid still hasn't been assessed in any way. The school is pointing their finger and the school district. It's a small charter school that still relies on the school district for things like this but it seems like the school district isn't prioritizing the charter school's request.What should my next step be? Principal (who is notoriously unhelpful anyway)? Contact the district directly? Do we have have legal rights to be assessed? We are located in Oregon. Thank you for any advice. via /r/Parenting http://ift.tt/2oJQ7vw