Memorial High School is a public high school in St. Marys, Ohio. It is the only high school in the . Memorial High School was designated "Excellent" (the highest designation given) by the Ohio Department of Education in the most recent (2007/08) ODE report card. The nickname of their athletic teams is the Roughriders. They are a member of the Western Buckeye League. Although the official name of the high school is Memorial, local media generally refers to the school's athletic teams as the St. Marys Roughriders. The school's colors are royal blue and gold.