The reason for the punishment at school for the incident outside of school; if he was cited by the police and it is the school’s duty to enforce criminal activity that flows from the streets into the school system. Remember, you may have another set of parents who think of this child in a different view that you. They want their children to be safe.

If you need to get an attorney. Make sure you have someone who has practiced school law.

American Civil Liberties Union

National organization advocating individual rights, by litigating, legislating, and educating the public on a broad array of issues affecting individual …

http://www.aclu.org/

Stay by him, sounds like he needs you and has a good friend in you.

He can still get an education in several ways:

1) home schooling

2) ask in a nearby district, to be admitted

3) go to a private school, for a year

4) apply to a charter school in the area

5) check on alternative schools, in the area