Joplin High School is a comprehensive public high school in Joplin, Jasper County, Missouri, USA. The first high school was founded in 1885. JHS has a student population of almost 2,200 students in grades 9-12. Joplin High School is fully accredited by AdvancED and North Central Association of Colleges and Schools and by the Missouri Department of Elementary and Secondary Education (DESE). Joplin High School is also a designated Missouri A+ School of Excellence.