When grades are given for any course of instruction offered by a school, the grade awarded to a student is the grade determined by the teacher of the course and the determination of a student's grade by that teacher, in the absence of clerical or mechanical mistake, fraud, bad faith or incompetence, is final.
Grades final
20-A M.R.S. § 4708, under Chapter 207-A.
20-A M.R.S. § 4708