Cal. Educ. Code § 48900.3

In addition to the reasons set forth in Sections 48900 and 48900.2, a pupil in any of grades 4 to 12, inclusive, may be suspended from school or recommended for expulsion if the superintendent or the principal of the school in which the pupil is enrolled determines that the pupil has caused, attempted to cause, threatened to cause, or participated in an act of, hate violence, as defined in subdivision (e) of Section 233.