Enrollment
557
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Lockport, IL
William J Butler School
Federal NCES profile for William J Butler School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataElementary school (grades K-5)NCES 171950004519
👥 S:T ratio 32
🌟 Gifted program 30
📋 Attendance 86
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William J Butler School earns 49/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools.
- #2 of 3
- elementary schools in Lockport · Resource Index
- 49
- Resource Index · Higher
- 16.9:1
- large classes for Illinois
- 557
- students enrolled
William J Butler School has class sizes larger than 87% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, William J Butler School ranks #2 of 3 elementary schools in Lockport, IL.
School address
District: Homer Ccsd 33c · Illinois
NCES ID 171950004519 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
16.9:1
vs 14:1 Illinois avg
+21% vs state
Student-teacher ratio in context
How William J Butler School compares with Illinois and U.S. medians
What stands out at William J Butler School
William J Butler School is a mid-sized elementary school in Lockport, Illinois, enrolling 557 students.
Class loads run heavy: 16.9:1 is larger than about 87% of Illinois schools and 21% above the 14:1 state mean, so each teacher carries more students than is typical.
Enrollment of 557 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (82% of enrollment) (diversity index 32/100).
Attendance holds up well here: only 5.6% of students were chronically absent, below the typical post-pandemic national figure.
Among Lockport's elementary schools, it stands alongside Ludwig Elem School (321 students): William J Butler School is larger than that campus by headcount and runs heavier classes (16.9:1 vs 10.4:1).
Homer Ccsd 33c also operates Homer Jr High School (865 students) and Hadley Middle School (834 students) alongside William J Butler School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How William J Butler School compares
William J Butler School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.9:1 | ▲ 21% | 14:1 | 15.7:1 |
| Enrollment | 557 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.9:1
Leaner classes than 31% of US schools, heavier class loads than most.
557
Bigger than 68% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
16.9:1
students per teacher
- 21% above state mean
Top 87% in Illinois - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
5.6%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$16,919
per pupil, district-wide
- below Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 81.7%
Hispanic or Latino 11.0%
Asian 2.9%
Two or More 2.5%
African American 1.6%
American Indian / Alaska Native 0.4%
Largest group: White at 81.7% of enrollment.
Student-body diversity index 31.9/100
Simpson diversity index - at 31.9, William J Butler School is less mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Homer Ccsd 33c, which includes William J Butler School.
$16,919
Per student
-1%
vs Illinois
Avg $17,042
+2%
vs U.S.
Avg $16,593
Revenue mix
Local 71.9%
State 23.6%
Federal 4.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How William J Butler School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Homer Jr High School | Larger | No free-lunch data | Lower S:T ratio |
| Hadley Middle School | Larger | No free-lunch data | Lower S:T ratio |
| Luther J Schilling School | Similar size | No free-lunch data | Lower S:T ratio |
| William E Young School | Similar size | No free-lunch data | Lower S:T ratio |
| Goodings Grove School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to William J Butler School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 865
- Students per teacher
- 14.4:1
- Resource Index
- 56/100
- Enrollment
- 834
- Students per teacher
- 12.8:1
- Resource Index
- 48/100
- Enrollment
- 587
- Students per teacher
- 12.2:1
- Resource Index
- 45/100
- Enrollment
- 452
- Students per teacher
- 15.1:1
- Resource Index
- 49/100
- Enrollment
- 409
- Students per teacher
- 14.1:1
- Resource Index
- 51/100
Similar elementary schools in Lockport
2 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~557 students)
Similar student-teacher ratio (~16.9:1)
Next steps
Verify locally before acting on William J Butler School's federal record.
- Compare William J Butler School against another school. Compare schools
- Homer Ccsd 33c's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about William J Butler School
How many students attend William J Butler School?
William J Butler School has 557 students enrolled. It is an elementary school in Lockport, IL.
What is the student-teacher ratio at William J Butler School?
The student-teacher ratio at William J Butler School is 16.9:1, which is 21% higher than the Illinois average of 14:1 and 8% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of William J Butler School?
The largest demographic group at William J Butler School is White at 81.7% of enrollment, in Lockport, IL.
What is the Resource Investment Index for William J Butler School?
William J Butler School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does William J Butler School rank among elementary schools in Lockport?
By Resource Investment Index, William J Butler School ranks #2 of 3 elementary schools in Lockport, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lockport on the city page.
Is William J Butler School a good school?
William J Butler School earns 49/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Homer Ccsd 33c?
Besides William J Butler School, Homer Ccsd 33c also operates Homer Jr High School (865 students), Hadley Middle School (834 students), and Luther J Schilling School (587 students). See the Homer Ccsd 33c district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.