| Marengo Community High School | |
| Principal: | Angela Fink |
| Head Name: | Second Master |
| Head Name2: | Assistant Headmaster |
| Teaching Staff: | 44.33 (FTE) |
| Ratio: | 15.45 |
| Enrollment: | 685 (2022-23)[1] |
| Grades: | 9-12 |
| Streetaddress: | 110 Franks Road |
| Country: | United States |
| District: | 154 |
| Mascot: | Indian |
Marengo Community High School is a public high school located in southwestern McHenry County, Illinois, that serves the communities of Marengo and Union, as well as the surrounding rural areas.[2] The school has an enrollment of approximately 800 students.[3]
The softball team won the IHSA Class 3A state championship in 2017.[4]