Yes, I believe you are referring to the Hawaii DOE's Chapter 19 Administrative Rules section. It's long so I'll once again cut and paste the relevant parts.
§8-19-6 Prohibited student conduct; class offenses. (a) The following prohibited conduct applies to all students in the public school system, on campus, or other department of education premises, on department of education transportation, or during a department of education sponsored activity or event on or off school property.
(1) Class A offenses:
(A) Assault;
(B) Burglary;
(C) Dangerous instrument, or substance; possession or use of;
(D) Dangerous weapons; possession, or use of;
(G) Fighting
(H) Firearms; possession or use of;
...
(3) Class C offenses:
(A) Abusive language;
(B) Class cutting;
(D) Laser pen/laser pointer; possession or use of;
(E) Leaving campus without consent;
(F) Smoking or use of tobacco substances
...
(b) Any student who possesses a firearm shall be dismissed from school for not less than one calendar year period. The possession or use of a firearm is prohibited on campus, or other department of education premises, on department of education transportation, or during a department of education sponsored activity or event on or off school property except for participation in athletic teams, clubs and/or Junior Reserve Officer Training Corp (JROTC) shooting sports programs and marksmanship training, education, and competitions. The superintendent or designee, on a case-by-case basis, may modify the dismissal of a student found to be in possession of a firearm. If a student is dismissed from school, that student shall be provided alternate educational activities or other appropriate assistance as provided in section 8-19-11.
(c) Any student who possesses, sells, or uses a dangerous weapon, switchblade knife or any improperly used knife, intoxicating substance(s), or illicit drug(s) while attending school may be excluded from attending school for up to ninety-two school days.
“Dangerous instrument, or ‘substance’†means any explosive device, instrument, material, or chemical, whether animate or inanimate, which in the manner it is used or is intended to be used is known to be capable of producing death or bodily injury. Examples of such items include but are not limited to knives, pipe bomb devices, fireworks, pepper spray, mace, martial arts devices such as sticks and throwing stars; and inanimate objects such as pipes, sticks, or baseball bats swung at a person in a menacing manner so as to cause or threaten bodily injury.
“Dangerous weapon†means an instrument whose sole design and purpose is to inflict bodily injury or death. Examples of such instruments include but are not limited to a dirk, dagger, butterfly knife, switchblade knife, blackjack, slug shot, billy, metal knuckles, or other weapons that inflict bodily injury or death.