Metro East school reports › St. Clair County › Whiteside SD 115
Whiteside Middle School
Whiteside Middle School is a public middle/junior high school in Whiteside SD 115, serving grades 5 - 8 in Belleville, St. Clair County, Illinois. In the 2025 Illinois Report Card (2024-25 school year), the Illinois State Board of Education designated it Targeted.
State designation, last three report cards
- 2023Commendable
- 2024Commendable
- 2025Targeted
What Targeted means: One or more student groups performing at or below the level of the "all students" group in the lowest 5 percent of Illinois schools. The school receives targeted state support.
How it compares with other St. Clair County middle and junior high schools
| Measure | This school | County median | Diff. |
|---|---|---|---|
| ELA proficiency | 44.3% | 62.4%16 schools | -18.1 pts |
| Math proficiency | 17.7% | 30.1%16 schools | -12.4 pts |
| Chronic absenteeism | 24.0% | 27.6%17 schools | -3.6 pts |
| Average class size | 21.5 | 20.517 schools | +1.0 |
| Low-income enrollment | 55.8% | 56.9%17 schools | -1.1 pts |
Median of other middle and junior high schools in St. Clair County with reported data, this school excluded, not weighted by enrollment. Proficiency is from the 2024-25 state tests. Illinois changed its proficiency cut scores in 2025, so these percentages cannot be compared with earlier years.
What stands out
- ELA proficiency is 18.1 points below the median for other St. Clair County middle and junior high schools (62.4%). Worth asking the school about.
- Math proficiency is 12.4 points below the median for other St. Clair County middle and junior high schools (30.1%). Worth asking the school about.
Before you buy for this school
- Confirm the attendance boundary for the exact address with Whiteside SD 115. Boundaries change, and a listing's school field is not a guarantee.
- Visit. A designation summarizes test results, growth and attendance. It does not describe a classroom.
- Read the full report card for student-group results, growth and staffing.
Thinking about living here? Read the Belleville area guide.
Looking for a home near Whiteside Middle School?
Tell me what you're looking for and I'll send homes for sale in this school's attendance area, with the boundary confirmed with the district.
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Other schools in Whiteside SD 115
- Whiteside Elementary School Commendable
Sources
- Illinois Report Card: Whiteside Middle School
- ISBE Report Card Public Data Sets, 2023, 2024 and 2025, retrieved 2026-10-06
- ISBE 2025 Report Card Glossary (designation definitions)
This page reports state-published data. It is not a rating or recommendation by Single Tree Team.
