| DeForest Area High School | |
| Established: | 1969 |
| Closed: | yes |
| Type: | Public secondary |
| Status: | closed |
| Principal: | Rouse |
| Head Name: | Second Master |
| Head Name2: | Assistant Headmaster |
| Teaching Staff: | 74.98 (FTE) |
| Ratio: | 14.66 |
| Enrollment: | 1,000 (2022–2023)[1] |
| Grades: | 9–12 |
| Streetaddress: | 815 Jefferson Street |
| Country: | United States |
| Colors: | [2] |
| Mascot: | Norskies[3] |
| Rival: | Waunakee Warriors |
DeForest Area High School is a public high school in DeForest, Wisconsin, United States. Part of the DeForest Area School District, the school serves students in grades 9–12.[4] DeForest Area High School enrolls more than 1,000 students from the communities of DeForest, Windsor, and parts of Hampden, Leeds, Bristol, Burke, Vienna and portions of Madison and Sun Prairie. The school's colors are purple and gold.