(1) The intentional concealment of any firearm, or other instrumentality customarily used or intended for probable use as a dangerous weapon, on one's person; or

(2) The ownership, possession, custody or use of any firearm, or other instrumentality customarily used as a dangerous weapon, at any time by an enemy alien; or

(3) The ownership, possession, custody or use of any tools, or dynamite, or nitroglycerine, or explosives, or other instrumentality customarily used by thieves or burglars at any time by any person with the intent to commit a crime; or

(4)(a) The intentional concealment on one's person of any switchblade knife, spring knife, or other knife or similar instrument having a blade which may be automatically unfolded or extended from a handle by the manipulation of a button, switch, latch, or similar contrivance located on the handle.

(b) The provisions of this Paragraph shall not apply to the following:

(i) Any knife that may be opened with one hand by manual pressure applied to the blade or any projection of the blade.

(ii) Any knife that may be opened by means of inertia produced by the hand, wrist, or other movement, provided the knife has either a detent or other structure that provides resistance that shall be overcome in opening or initiating the opening movement of the blade or a bias or spring load toward the closed position.

(5)(a) The intentional possession or use by any person of a dangerous weapon on a school campus during regular school hours or on a school bus. "School" means any elementary, secondary, high school, or vo-tech school in this state and "campus" means all facilities and property within the boundary of the school property. "School bus" means any motor bus being used to transport children to and from school or in connection with school activities.

(b) The provisions of this Paragraph shall not apply to:

(i) A peace officer as defined by R.S. 14:30(B) in the performance of his official duties.

(ii) A school official or employee acting during the normal course of his employment or a student acting under the direction of such school official or employee.

(iii) Any person having the written permission of the principal or school board and engaged in competition or in marksmanship or safety instruction.

(1) "Campus" means all facilities and property within the boundary of the school property.

(2) "Nonstudent" means any person not registered and enrolled in that school or a suspended student who does not have permission to be on the school campus.

(3) "School" means any elementary, secondary, high school, vocational-technical school, college, or university in this state.

(4) "School bus" means any motor bus being used to transport children to and from school or in connection with school activities.

(1) A federal law enforcement officer or a Louisiana-commissioned state or local Post Certified law enforcement officer who is authorized to carry a firearm.

(2) A school official or employee acting during the normal course of his employment or a student acting under the direction of such school official or employee.

(3) Any person having the written permission of the principal or as provided in R.S. 17:3361.1.

(4) The possession of a firearm occurring within one thousand feet of school property and entirely on private property, or entirely within a private residence.

(5) Any constitutionally protected activity which cannot be regulated by the state, such as a firearm contained entirely within a motor vehicle.

(6) Any student carrying a firearm to or from a class, in which he is duly enrolled, that requires the use of the firearm in the class.

(7) A student enrolled or participating in an activity requiring the use of a firearm including but not limited to any ROTC function under the authorization of a university.

(8) A student who possesses a firearm in his dormitory room or while going to or from his vehicle or any other person with permission of the administration.

(9) Any person who has a valid concealed handgun permit issued pursuant to R.S. 40:1379.1 or 1379.3 and who carries a concealed handgun within one thousand feet of any school campus.

(2) Whoever commits the crime of carrying a firearm, or a dangerous weapon as defined in R.S. 14:2, on school property or in a firearm-free zone with the firearm or dangerous weapon being used in the commission of a crime of violence as defined in R.S. 14:2(B) on school property or in a firearm-free zone, shall be fined not more than two thousand dollars, or imprisoned, with or without hard labor, for not less than one year nor more than five years, or both. Any sentence issued pursuant to the provisions of this Paragraph and any sentence issued pursuant to a violation of a crime of violence as defined in R.S. 14:2(B) shall be served consecutively. Upon commitment to the Department of Public Safety and Corrections after conviction for a crime committed on school property, at a school-sponsored function or in a firearm-free zone, the department shall have the offender evaluated through appropriate examinations or tests conducted under the supervision of the department. Such evaluation shall be made within thirty days of the order of commitment.

(2)(a) If a student is detained by the principal or other school official for violation of this Section or the school principal or other school official confiscates or seizes a firearm or concealed weapon from a student while upon school property, at a school function, or on a school bus, the principal or other school official in charge at the time of the detention or seizure shall immediately report the detention or seizure to the police department or sheriff's department where the school is located and shall deliver any firearm or weapon seized to that agency.

(b) The confiscated weapon shall be disposed of or destroyed as provided by law.

(3) If a student is detained pursuant to Paragraph (2) of this Subsection for carrying a concealed weapon on campus, the principal shall immediately notify the student's parents.

(4) If a person is arrested for carrying a concealed weapon on campus by a university or college police officer, the weapon shall be given to the sheriff, chief of police, or other officer to whom custody of the arrested person is transferred as provided by R.S. 17:1805(B).

(x) Is found carrying firearms, knives, or other implements which can be used as weapons, the careless use of which might inflict harm or injury.

(xi) Throws missiles liable to injure other persons on the school grounds or while on any school bus, including those owned by, contracted to, or jointly owned by any city or parish school board. [...]

(d)(i) In addition to any other limitations established by this Subsection on the admission of previously expelled pupils to public elementary and secondary schools in Louisiana, no pupil who has been expelled from any public or nonpublic school within or outside the state of Louisiana for possessing on school property or on a school bus a firearm, knife, or other dangerous weapon, or instrumentality customarily used or intended for probable use as a dangerous weapon, or for possessing, possessing with intent to distribute, or distributing, selling, giving, or loaning while on school property or on a school bus any controlled dangerous substance governed by the Uniform Controlled Dangerous Substances Law shall be admitted to any public elementary or secondary school in the state, or readmitted to any such school on a probationary basis prior to the completion of the minimum period of expulsion as provided in Subsection C of this Section, until the pupil produces written documentation that he and his parent or legal guardian have enrolled and participated in an appropriate rehabilitation or counseling program related to the reason or reasons for the pupil's expulsion.

11. possessing firearms, knives, or other implements that can be used as weapons.

1. any student, after being suspended for committing any of the offenses listed in § 1305., may be expelled upon recommendation by the principal of the public school in which the student is enrolled;

2. any student, after being suspended on three occasions for committing drugs or weapons offenses during the same school session, shall, on committing the fourth offense, be expelled from all the public schools of the parish or city school system wherein he or she resides until the beginning of the next regular school year, subject to the review and approval of the local educational governing authority;

3. the conviction of any student of a felony or the incarceration of any student in a juvenile institution for an act which, had it been committed by an adult, would have constituted a felony, may be cause for expulsion of the student for a period of time as determined by the board; such expulsions shall require the vote of two thirds of the elected members of the local educational governing authority;

4. any student found guilty of being in possession of a firearm on school property or on a school bus or at a school sponsored event shall be expelled from school according to the requirements of R.S. 17:416(C)(2);

5. any student in grades six and up found guilty of being in possession of any illegal narcotic, drug, or other controlled substance on school property, on a school bus, or at a school event shall be expelled from school according to the requirements of R.S. 17:416(C)(2).

6. any student older than eleven and in grades six and up, carrying or possessing a knife the blade of which equals or exceeds two inches in length.

1. possessing on school property or on a school bus a firearm, knife, or other dangerous weapon, or instrumentality customarily used or intended for probable use as a dangerous weapon.