State of California | Education Code | Section 49066
49066. (a) When grades are given for any course of instruction taught in a schooldistrict, the grade given to each pupil shall be the grade determined by the teacher ofthe course and the determination of the pupil’s grade by the teacher, in the absenceof clerical or mechanical mistake, fraud, bad faith, or incompetency, shall be final.
(b) The governing board of the school district and the superintendent of suchdistrict shall not order a pupil’s grade to be changed unless the teacher who determinedsuch grade is, to the extent practicable, given an opportunity to state orally, in writing,or both, the reasons for which such grade was given and is, to the extent practicable,included in all discussions relating to the changing of such grade.
(c) No grade of a pupil participating in a physical education class, however, maybe adversely affected due to the fact that the pupil does not wear standardized physical education apparel where the failure to wear such apparel arises from circumstances beyond the control of the pupil.
(Amended by Stats. 1980, Ch. 715, Sec. 1.)