See 2012, 222, Sec. 12.] Section 37H3/4. (a) This section shall govern the suspension and expulsion of students enrolled in a public school in the commonwealth who are not charged with a violation of subsections (a) or (b) of section 37H or with a felony under section 37H1/2. (b) Any principal, headmaster, superintendent or other person acting as a decision-maker at a student meeting or hearing, w