Every person who loiters about any school in which adults are in attendance at courses established pursuant to Chapter 10 (commencing with Section 52500) of Part 28 of the Education Code, and who annoys or molests any person in attendance therein shall be punished by a fine of not exceeding one thousand dollars ($1,000) or by imprisonment in the county jail for not exceeding six months, or by both such fine and imprisonment.
Ca. Pen. Code § 647b