All public high schools in Maryland who qualify under rules and regulations of the Maryland Public Secondary Schools Athletic Association may become members. All 188 public high schools in the state of Maryland currently are members of the association. A school having become a member of the MPSSAA shall continue as a member until such time as it withdraws its membership. 

 

All non-member schools wishing to compete against MPSSAA member schools must complete and adhere to the Maryland State Department of Education Standards of Competition and be listed as an approved school. Additional information on the Standards of Competition can be found on the MPSSAA Sanctioning page.