(1) The principal of a State school at which a student is enrolled may, under this division, exclude the student from the school if the principal is reasonably satisfied a ground exists for the exclusion.
(2) The principal may act under this division whether or not the student has already been suspended or excluded under this part.
(3) In this division, a reference to exclusion is a reference to exclusion of a student in exercise of the power under subsection (1) .