It shall be unlawful from and after the passage of this act for any person not enrolled in a public school of this state to solicit any pupil enrolled in a public school of this state to join or pledge himself or herself to become a member of a public school fraternity, sorority, or other secret organization or society, or to solicit any such pupil to attend a meeting thereof or any meeting in which the joining of any public school fraternity, sorority, or other secret organization or society shall be encouraged.