Any pupil who absents himself from any 24-hour elementary school without permission being first obtained from the principal shall be deemed an habitual truant within the meaning of Section 601 of the Welfare and Institutions Code, and dealt with as such.

Any person who contributes to the absence of any pupil from the school without permission first having been obtained from the principal, or advises, connives at, or aids or assists in such absence or conceals any pupil after such absence is guilty of a misdemeanor.