(b) A teacher who has acquired tenure rights is subject to nonretention for the following school year only for the following causes:
(1) the school district demonstrates that
- (A) the district has fully complied with the requirements of AS 14.20.149 with respect to the tenured teacher;
- (B) the teacher's performance, after completion of the plan of improvement, failed to meet the performance objectives set out in the plan; and
- (C) the evaluation of the teacher established that the teacher does not meet the district performance standards;
- (2) immorality, which is defined as the commission of an act that, under the laws of the state, constitutes a crime involving moral turpitude; or
- (3) substantial noncompliance with the school laws of the state, the regulations or bylaws of the department, the bylaws of the district, or the written rules of the superintendent.