Conn. Gen. Stat. § 10-156a: Duty-free lunch period.

Each professional employee certified by the State Board of Education and employed by a local or regional board of education of any town or regional school district to work directly with children shall have a guaranteed uninterrupted duty-free period for lunch which shall be scheduled as a single period of consecutive minutes that is the greater of thirty minutes or the duration prescribed in the collective bargaining agreement negotiated by the organization designated or elected as the exclusive bargaining representative for such professional employee.