HRS §302A-1147
Use of school grounds by county recreation departments
This section says the school board must let a county use school grounds after school hours if the county asks, as long as it doesn't interfere with normal school activities. It only covers this one rule.
countiescourts
The statute, as written — Use of school grounds by county recreation departments
The board, upon request by a county, shall make school grounds available after school hours in the county where the request is made, for use by the county requesting the same whenever this can be done without interference with the normal and usual activities of the school and its pupils.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.