Belleville High School-East
| Belleville High School East | |
|---|---|
| Location | |
| Coordinates | 38°31′07″N 89°57′00″W / 38.51861°N 89.95000°W |
| Information | |
| Type | Public |
| Established | 1966 |
| School district | Belleville Township High School District 201 |
| Principal | Josh Lane |
| Teaching staff | 152.40 (on FTE basis) |
| Grades | 9-12 |
| Enrollment | 2,564 (2023-2024) |
| Student to teacher ratio | 16.96 |
| Color(s) | Columbia blue and navy |
| Athletics conference | Southwestern Conference |
| Mascot | Lancers |
| Website | www.bths201.org/east |
Belleville High School East is a public high school in Belleville, Illinois, United States. It is part of Belleville Township High School District 201. It was established in 1966.