Except as otherwise provided in NRS 385B.225, a pupil who enrolls in grade 9 at:
1. A public school and who resides within the zone of attendance of the public school at the time of enrollment is immediately eligible to participate and practice in a sanctioned sport at the public school, regardless of whether the pupil:
(a) Resided in a different zone of attendance before the pupil’s enrollment in grade 9; or
(b) Attended a school other than a public school before the pupil’s enrollment in grade 9.
2. A private school is immediately eligible to participate and practice in a sanctioned sport at the private school, regardless of whether the pupil attended a school other than a private school before the pupil’s enrollment in grade 9.