| Greenfield High School | |
| Streetaddress: | 418 College Street |
| City: | Greenfield |
| State: | Missouri |
| Zipcode: | 65661 |
| Country: | USA |
| Type: | Public |
| District: | Greenfield School District |
| Principal: | Jeff Davis |
| Grades: | 7–12 |
| Staff: | 16.15 (FTE) |
| Ratio: | 12.51 |
| Enrollment: | 202 (2018–19)[1] |
| Mascot: | Wildcat |
| Colors: | Blue and white [2] |
Greenfield High School is a public high school in Greenfield, Missouri, United States.