Ontario High School provides learning opportunities for students in grades 9 through 12. It offers classes in various subjects, such as math, industrial arts, business education, social studies, English, computer design, and family and consumer science, as well as Spanish. The school also administers visual arts, choir, jazz, band, vocal music, and health and physical education programs. Ontario High School provides opportunities for students to participate in various sports activities, including football, volleyball, golf, soccer, tennis and cross-country. Additionally, the school maintains a library that houses a collection of books and reference materials. It is a part of Ontario Local Schools, which governs primary, intermediate, middle and high school divisions. Ontario High School is located in Mansfield, Ohio.