I am not a school attorney, however I have represented kids who had education rights issues. The school doesn't want to spend the time or money it will take to make reasonable accommodations for your son. However under the Americans With Disabilities Act they have to.
Call Greater Hartford Legal Aid at (860) 541-5000. This is a pro-bono organization and they have great advocates. If you don't qualify for their services they may be able to refer you to someone who you can afford.
You have a right to a manifestation hearing. Call the CT Education department and file a complaint against the school district. You should also get a school attorney as soon as possible. You can find one here on Avvo by going to the find an attorney tab.
Best of luck!
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