Southern Ontario Secondary School Association (SOSSA)

       The Association shall consist of members’ schools in that area so designated as SOSSA by the Ontario Federation of School Athletic Associations (OFSAA).  The term "Secondary School" shall be taken to include all Collegiate Institutes, High Schools or equivalents, and Vocational Schools.  The membership is comprised of Public, French, Catholic, French Catholic and Independent School Boards:

• Hamilton-Wentworth District School Board
• District School Board of Niagara
• Niagara Catholic District School Board
• Grand Erie District School Board (partial)
• Conseil de District du Centre Sud-Ouest
• Conseil Scolaire de District Catholique Centre-Sud
• Independent School Boards

  
   The Association is divided into four Zones:

• Zone 1
• Zone 2
• Zone 3
• Zone 4

 SOSSA is a member of the Ontario Federation of School Athletic Association (OFSAA).