A school administrative district shall maintain a program which includes kindergarten to grade 12.
1. Secondary school. A district shall provide a secondary school facility as follows.
A. A district which enrolls more than 700 pupils in grades 9 to 12 may operate more than one 4-year school.
B. A district which enrolls less than 700 pupils in grades 9 to 12 shall provide grades 10 to 12 in one facility within 4 years from the date of the district's formation.
C. Secondary school facilities may be operated as 4-year schools, a 6-year school for grades 7 to 12 or 2 or more 3-year schools, except that students living in an area remote from a public school may be provided for under section 5204.
2. Contracts for secondary school programs. In addition to the provisions for a secondary school facility set forth in subsection 1, a district may contract with a nearby school administrative unit or with a private school approved for tuition purposes for all or part of its secondary school pupils. The contract may run from a period of 2 to 10 years. The contract shall also comply with section 2703 and may provide for the formation of a joint committee in accordance with section 2704.