Metro East school reports › Monroe County › Waterloo CUSD 5
Waterloo High School
Waterloo High School is a public high school in Waterloo CUSD 5, serving grades 9 - 12 in Waterloo, Monroe County, Illinois. In the 2025 Illinois Report Card (2024-25 school year), the Illinois State Board of Education designated it Exemplary, the same designation it received in 2023 and 2024.
State designation, last three report cards
- 2023Exemplary
- 2024Exemplary
- 2025Exemplary
What Exemplary means: Performance in the top 10 percent of Illinois schools on the state's accountability index, with no student group performing at or below the level of the lowest 5 percent of schools.
How it compares with other Monroe County high schools
| Measure | This school | County median | Diff. |
|---|---|---|---|
| ELA proficiency | 65.9% | Not enough data | n/a |
| Math proficiency | 56.5% | Not enough data | n/a |
| Chronic absenteeism | 13.0% | Not enough data | n/a |
| Average class size | 22.4 | Not enough data | n/a |
| Low-income enrollment | 19.6% | Not enough data | n/a |
Median of other high schools in Monroe 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
- No measure differs from the county median for this school type by 5 points or more.
Before you buy for this school
- Confirm the attendance boundary for the exact address with Waterloo CUSD 5. 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 Waterloo area guide.
Looking for a home near Waterloo High 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 Waterloo CUSD 5
- Gardner Elementary School Commendable
- Rogers Elementary School Targeted
- W J Zahnow Elementary School Targeted
- Waterloo Junior High School Commendable
Sources
- Illinois Report Card: Waterloo High 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.
