About the OHSAA. Formed in 1907, the Ohio High School Athletic Association is a not-for-profit association of public and private high schools and 7th-8th grade schools. The Association renders decisions on student eligibility, organizes state and regional tournaments, and manages the licensing of officials. The OHSAA’s mission statement is “To serve our member schools and enrich interscholastic opportunities for students.” Its motto of “Respect t...