Gibault Catholic
Waterloo · IL · Catholic religious-affiliated
Similar nearby schools
Most similar nearby schools
Althoff Catholic High School → Christ Our Savior Lutheran High School → First Baptist Academy → Illinois Center For Autism → Governor French Academy → Jtc Academy → Rivers Of Life Christian School → Jtc Boys Academy →Keep this page current
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How Gibault Catholic compares for families
What families should know about Gibault Catholic.
- ▸ LocallyIL sits right at the US average on NAEP 8th-grade math — local school quality will set your kid apart.
- ▸ vs Similar SchoolsThe closest comparables nearby: Althoff Catholic High School, Christ Our Savior Lutheran High School, First Baptist Academy and 5 more. See the sidebar to compare side-by-side.
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Your state's public flagship
University of Illinois Urbana-Champaign
The in-state tuition gap is the flagship's biggest draw — most in-state families pay far less than the out-of-state sticker. Average net price after aid runs about $14,355/yr. Admission odds depend on your student's GPA and test scores, not which high school they attend.
Source: IPEDS admissions, tuition & enrollment + College Scorecard net price. Flagship = the state's primary public research university.
Enrollment trend & projection
Private school enrollment comes from the NCES Private School Universe Survey (PSS), which is collected every other year — not annually like public-school data. The most recent published collection is 2021–22; NCES targeted spring 2026 for the 2023–24 release — we'll load it as soon as it's published.
If the recent trend holds…
At its recent rate of -4.0%/year, projecting from 2022's 179 students:
A small or specialty program — naive trend math doesn't capture the school's full picture. Read the trend as directional, not predictive.
An extrapolation of the recent trajectory, not a forecast of the school's plans; ignores one-off shocks.
Most similar nearby high schools
The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.
| School | Type | Miles | HS enrollment | Trend |
|---|---|---|---|---|
| Althoff Catholic High School Belleville |
Private | 15.6 | 305 | -19.7% |
| Christ Our Savior Lutheran High School Evansville |
Private | 21.7 | 20 | — |
| First Baptist Academy O Fallon |
Private | 21.7 | 263 | -4.7% |
| Illinois Center For Autism Fairview Heights |
Private | 14.8 | 114 | — |
| Governor French Academy Belleville |
Private | 14.8 | 99 | -18.9% |
| Jtc Academy Centreville |
Private | 16.3 | 11 | — |
| Rivers Of Life Christian School Granite City |
Private | 24.9 | 118 | +22.9% |
| Jtc Boys Academy Centreville |
Private | 17.3 | 3 | — |
At a glance
JSON · Using this page with an AI assistantGibault Catholic is a private high school in Waterloo, IL, enrolling 179 students in grades 9-12 in 2022.
Enrollment is down 15% from 2018 to 2022.
Sources: National Center for Education Statistics (enrollment), the federal Civil Rights Data Collection and EDFacts, state education agencies where named, and the school's own published documents where named.
Questions families ask
How many students attend Gibault Catholic? Gibault Catholic is a private high school in Waterloo, IL, enrolling 179 students in grades 9-12 in 2022.
Analysis: Test Prep Gurus (High School Reach, highschoolreach.com). These figures may be quoted with attribution to Test Prep Gurus.
What does AI tell parents about Gibault Catholic?
When a parent asks an AI assistant about Gibault Catholic, the answer is built from a handful of sources, and Reach is often one of them. We will send the admissions office a short report on what AI says about Gibault Catholic and where it comes from. The first report is free.
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Related reading
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Test scores · October 2026