| Marais des Cygnes Valley Junior-Senior High School | |
| Streetaddress: | 508 NE Main Street |
| City: | Melvern |
| State: | Kansas |
| Zipcode: | 66510 |
| Coordinates: | 38.5105°N -95.6378°W |
| Status: | Open |
| Schoolboard: | BOE website |
| District: | MdCV USD 456 |
| Superintendent: | Joe Sample |
| Us Nces District Id: | 2009480 |
| Ceeb: | 171985 |
| Us Nces School Id: | 200948001165 |
| Principal: | Ben Gordon |
| Grades: | 9-12 |
| Gender: | coed |
| Enrollment: | 66 (2016-17)[1] |
| Colors: | Orange Blue |
| Athletics: | Yes |
| Conference: | Lyon County League |
| Sports: | Yes |
| Mascot: | Trojans |
| Team Name: | Marais des Cygnes Valley Trojans |
| Affiliations: | KSHSAA |
| Website: | MdCV High School |
Marais des Cygnes Valley High School is a fully accredited public high school located in Melvern, Kansas, in the Marais des Cygnes Valley USD 456 school district, serving students in grades 6-12. Marais des Cygnes Valley has an enrollment of approximately 108 students.[2] The principal is Ben Gordon. The school mascot is the Trojans and the school colors are orange and blue.
The Trojans compete in the Lyon County League. The KSHSAA classification switches between 2A and 1A, the two lowest classes according to KSHSAA. The school also has a variety of organizations for the students to participate in.
The Trojans compete in the Lyon County League and are classified as either 2A or 1A, two of the lowest classifications in Kansas according to KSHSAA. A majority of the sports are coached by the same coaches. Marais des Cygnes Valley High School offers the following sports:[3]