It serves grades 7–12 in the Marion Public Schools.
Students who meet the prerequisites may attend classes at Mid-Michigan Community College in Harrison or Baker College in Cadillac for credit in place of usual high school courses.
Students may also attend the Wexford-Missaukee Area Career Technical Center, administered by the Wexford-Missaukee Intermediate School District.
Marion Junior-Senior High School offers a variety of classes and activities such as wood-working, band, choir, robotics, eSports, and volunteering in the community with their MPACT, SLS (Students leading students) and National Honor Society teams.
The Marion Eagles are members of the West Michigan D League.