Located in Declo, Idaho, Declo High School offers a range of educational programs. Its syllabus includes English, mathematics, science, social studies, language arts and music. The school conducts classes in geometry, computers, business studies and finance. It also offers academic programs in foreign languages that include Samish and German. The school maintains a library and media center that stocks books and periodicals and provides links to search engines. The school organizes a range of athletic activities that includes football, basketball, softball, baseball, cross-country, and track and field. In addition, it organizes parent-teacher meetings that encourage parental involvement in children's education. Declo High School is a part of Cassia County School District 151, which owns and operates various elementary, middle and high schools.