School board may implement school sentinel program.
Approval of law enforcement official required.
School sentinel training course.
School employee right to refuse to carry firearms.
Permit to carry concealed weapon required.
Cause of action against school board.
Referendum petition on school board decision.
Time for filing petition.
Contents of petition.
Requirements for petition.
Election on referendum.
Publication of referred decision.
Ballots on referendum.
Majority vote required--Effective date of approved decision.
Immunity from liability.
Sovereign immunity not waived.