Vermont - Ch. 85 Weapons - T.13-4003... A person who carries a dangerous or deadly weapon, openly or concealed, with the intent or avowed purpose of injuring a fellow man, or who carries a dangerous or deadly weapon within any state institution... or grounds [thereof]... shall be imprisoned... or fined. - T.13.4004... A person while a member of and in attendance upon a school, carries or has in his possession a firearm, dirk knife, bowie knife, dagger or other dangerous or deadly weapon shall be fined not more than $20; however, the board of school directors may authorize the use of firearms for instructional purposes... - T.13.4013. Zip guns; switchblade knives. A person who possesses, sells or offers for sale a weapon commonly known as a "zip" gun, or a weapon commonly known as a switchblade knife, the blade of which is three inches or more in length, shall be imprisoned not more than ninety days or fined not more than $100.00, or both.