Marmaton Valley High School is a public high school located in Moran, Kansas, United States, serving students in grades 7–12.

Marmaton Valley serves 193 students in grades 7–12.

[8] Marmaton Valley is a member of the Kansas State High School Activities Association and offers a variety of sports programs.

Extracurricular activities are also offered in the form of performing arts, school publications, and clubs.

The Wildcats compete various sports programs and are classified as a 1A school, the smallest classification in Kansas according to the Kansas State High School Activities Association.