“Expel” or “expulsion” means the disciplinary removal of a pupil from the school in which the pupil is currently enrolled for more than one school semester with the possibility of:
1. Except as otherwise provided in subsection 2, returning to the school in which the pupil is currently enrolled or another public school within the school district after the expulsion; and
2. Enrolling in a program or public school for alternative education for pupils who are expelled or permanently expelled during the period of expulsion.