This chapter shall not apply to any of the following:
(A) Funeral processions;
(B) A governmental agency acting within the scope of its functions;
(C) Students going to and from school classes or participating in educational activities, providing such activity is authorized by the school district and is under the immediate direction and supervision of the school authorities authorized by the school district to approve and supervise such activity.
(1984 Code, § 12.04.020)