"School bus" shall mean a vehicle owned by a public or governmental agency, or a privately owned vehicle, including a station wagon, suburban, panel body vehicle and vehicles converted to a school bus, but excluding a passenger vehicle, employed solely in transporting school children to and from school or school activities by virtue of a contract with a municipality, municipal board or school board authorities.
RSA 259:96
RSA 263:26-a. 1961, 251:3. 1981, 146:1, eff. Jan. 1, 1982.