Cal. Penal Code § 245.5

(a) Every person who commits an assault with a deadly weapon or instrument, other than a firearm, or by any means likely to produce great bodily injury upon the person of a school employee, and who knows or reasonably should know that the victim is a school employee engaged in the performance of his or her duties, when that school employee is engaged in the performance of his or her duties, shall be punished by imprisonment in the state prison for three, four, or five years, or in a county jail not exceeding one year.
(b) Every person who commits an assault with a firearm upon the person of a school employee, and who knows or reasonably should know that the victim is a school employee engaged in the performance of his or her duties, when the school employee is engaged in the performance of his or her duties, shall be punished by imprisonment in the state prison for four, six, or eight years, or in a county jail for not less than six months and not exceeding one year.
(c) Every person who commits an assault upon the person of a school employee with a stun gun or taser, and who knows or reasonably should know that the person is a school employee engaged in the performance of his or her duties, when the school employee is engaged in the performance of his or her duties, shall be punished by imprisonment in a county jail for a term not exceeding one year or by imprisonment in the state prison for two, three, or four years.
This subdivision shall not be construed to preclude or in any way limit the applicability of Section 245 in any criminal prosecution.
(d) As used in the section, “school employee” means any person employed as a permanent or probationary certificated or classified employee of a school district on a part-time or full-time basis, including a substitute teacher. “School employee,” as used in this section, also includes a student teacher, or a school board member. “School,” as used in this section, has the same meaning as that term is defined in Section 626.