Lamar High School is a comprehensive public high school located in Lamar, Arkansas, United States.

Lamar High School is accredited by the Arkansas Department of Education (ADE).

The assumed course of study follows the ADE Smart Core curriculum, which requires students complete at least 22 units prior to graduation.

Students complete regular coursework and exams and may take Advanced Placement (AP) courses and exam with the opportunity to receive college credit.

The Warriors compete in football, cross country (boys/girls), golf (boys/girls), bowling (boys/girls), basketball (boys/girls), baseball, softball, track and field (boys/girls), and cheer.