N.Y. Veh. & Traf. Law § 142

§ 142. School bus. Every motor vehicle owned by a public or\ngovernmental agency or private school and operated for the\ntransportation of pupils, children of pupils, teachers and other persons\nacting in a supervisory capacity, to or from school or school activities\nor privately owned and operated for compensation for the transportation\nof pupils, children of pupils, teachers and other persons acting in a\nsupervisory capacity to or from school or school activities.\n