CHAPTER 189 SCHOOL BOARDS, SUPERINTENDENTS, TEACHERS, AND TRUANT OFFICERS; SCHOOL CENSUS
Teachers
Section 189:40
189:40 School Sessions. –
In the absence of express contract, a session of 3 hours in the forenoon and 3 hours in the afternoon shall constitute a school day, 5 such days a school week, and 4 such weeks a school month, in the public schools.