Harmony Grove High School is a comprehensive public high school that provides secondary education for students in grades seven through twelve; it is located in rural, distant unincorporated Ouachita County, Arkansas, United States, with a Camden postal address.

The assumed course of study for students follow the Smart Core curriculum developed by the Arkansas Department of Education (ADE).

Students complete regular (core and elective) and career focus courses and exams and may select Advanced Placement (AP) coursework and exams that provide an opportunity for college credit.

[3] The mascot and athletic emblem for Harmony Grove High School is the Hornet with black, gold and white serving as school colors.

For 2012–14 school years, the school participates in interscholastic competition within the 3A Classification and 3A-7 Conference administered by the Arkansas Activities Association (AAA) in such sports as football, golf (boys/girls), basketball, baseball, softball, track and field (boys/girls), and competitive cheer.