A. A person is guilty of disruption of school activities if he comes into or remains in any school building or classroom, or upon any school ground, street, sidewalk or public way adjacent thereto, without lawful reason, and intentionally causes undue disruption of the activities of the school.

B. As used in this section, “school” has its ordinary meaning and also includes universities, colleges, community colleges and institutions of higher education. (Ord. 628, 1976)