Waterloo High School (Illinois)
| Waterloo High School | |
|---|---|
| Address | |
505 East Bulldog Boulevard , 62298 United States  | |
| Coordinates | 38°19′09″N 90°08′21″W / 38.3192°N 90.1392°W | 
| Information | |
| Type | Public | 
| Established | 1895 | 
| School district | Waterloo Community Unit School District 5 | 
| Principal | Timothy McDermott | 
| Staff | 50.78 (FTE) | 
| Grades | 9–12 | 
| Enrollment | 879 (2023–2024) | 
| Student to teacher ratio | 17.31 | 
| Color(s) |   orange black  | 
| Mascot | Bulldogs | 
| Team name | Bulldogs | 
| Yearbook | Wahischo | 
| Website | www | 
Waterloo High School is a high school in Waterloo, Illinois, and is the only public high school in the Waterloo area.