| Riverdale Junior-Senior High School | |
| Streetaddress: | 235 East Elm Street |
| City: | Muscoda |
| State: | Wisconsin |
| County: | (Grant County) |
| Zipcode: | 53573 |
| Country: | USA |
| Principal: | Sarah Gruen |
| Fightsong: | "Washington and Lee Swing" |
| Staff: | 14.69 (FTE) |
| Ratio: | 12.93 |
| Type: | Public high school |
| Enrollment: | 190[1] |
| Enrollment As Of: | 2022-23 |
| Campus: | (Urban/Country)--> |
| Colors: | Maroon and white [2] |
| Nickname: | Chieftains |
| Conference: | Southwest Wisconsin Activities |
| Website: | https://www.riverdale.k12.wi.us/schools/jr-sr-high/ |
Riverdale Junior and Senior High School is the junior and senior high school for the Riverdale School District. It is located in Muscoda, Wisconsin. As of June 2021, Jeffrey Campbell is the Principal.