Enrollment
488
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Lake Villa, IL
William L Thompson School
Federal NCES profile for William L Thompson School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataOther / mixed grade configurationNCES 172187003657
👥 S:T ratio 42
🌟 Gifted program 30
📋 Attendance 68
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William L Thompson School earns 47/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #2 of 6
- public schools in Lake Villa · Resource Index
- 47
- Resource Index · Typical
- 14.4:1
- students per teacher
- 488
- students enrolled
William L Thompson School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, William L Thompson School ranks #2 of 6 public schools in Lake Villa, IL.
School address
District: Lake Villa Ccsd 41 · Illinois
NCES ID 172187003657 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
14.4:1
vs 14:1 Illinois avg
+3% vs state
Student-teacher ratio in context
How William L Thompson School compares with Illinois and U.S. medians
What stands out at William L Thompson School
William L Thompson School is a mid-sized combined-grade school in Lake Villa, Illinois, enrolling 488 students.
Class loads run somewhat heavier than typical: 14.4:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 488 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 led by White (45%) and Hispanic or Latino (34%), more mixed than most schools in the state (diversity index 67/100).
12.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Lake Villa's public schools, it stands alongside Olive C Martin School (511 students): William L Thompson School is smaller than that campus by headcount and runs heavier classes (14.4:1 vs 13.4:1).
Lake Villa Ccsd 41 also operates Peter J Palombi School (844 students) and B J Hooper Elem School (545 students) alongside William L Thompson 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 L Thompson School compares
William L Thompson 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 | 14.4:1 | ▲ 3% | 14:1 | 15.7:1 |
| Enrollment | 488 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
488
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
14.4:1
students per teacher
- 3% above state mean
Top 62% in Illinois - lower ratio than 38% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
12.9%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$13,845
per pupil, district-wide
- below Illinois avg of $17,042
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 4 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 1.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
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 44.7%
Hispanic or Latino 34.0%
Two or More 12.7%
Asian 4.9%
African American 3.5%
American Indian / Alaska Native 0.2%
Largest group: White at 44.7% of enrollment.
Student-body diversity index 66.5/100
Simpson diversity index - at 66.5, William L Thompson School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Lake Villa Ccsd 41, which includes William L Thompson School.
$13,845
Per student
-19%
vs Illinois
Avg $17,042
-17%
vs U.S.
Avg $16,593
Revenue mix
Local 53.6%
State 37.2%
Federal 9.2%
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 L Thompson School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Peter J Palombi School | Larger | No free-lunch data | Similar S:T ratio |
| B J Hooper Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Olive C Martin School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to William L Thompson School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 844
- Students per teacher
- 15.3:1
- Resource Index
- 37/100
- Enrollment
- 545
- Students per teacher
- 13:1
- Resource Index
- 41/100
- Enrollment
- 511
- Students per teacher
- 13.4:1
- Resource Index
- 44/100
Similar other schools in Lake Villa
1 comparable other schools (grades Mixed) serving the same city.
Similar other 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 (~488 students)
Similar student-teacher ratio (~14.4:1)
Next steps
Verify locally before acting on William L Thompson School's federal record.
- Compare William L Thompson School against another school. Compare schools
- Lake Villa Ccsd 41'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 L Thompson School
How many students attend William L Thompson School?
William L Thompson School has 488 students enrolled. It is a public school in Lake Villa, IL.
What is the student-teacher ratio at William L Thompson School?
The student-teacher ratio at William L Thompson School is 14.4:1, which is 3% higher than the Illinois average of 14:1 and 8% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of William L Thompson School?
The largest demographic group at William L Thompson School is White at 44.7% of enrollment, in Lake Villa, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.5/100.
What is the Resource Investment Index for William L Thompson School?
William L Thompson School has a Resource Investment Index of 47/100 (typical 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 L Thompson School rank among public schools in Lake Villa?
By Resource Investment Index, William L Thompson School ranks #2 of 6 public schools in Lake Villa, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lake Villa on the city page.
Is William L Thompson School a good school?
William L Thompson School earns 47/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most 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 Lake Villa Ccsd 41?
Besides William L Thompson School, Lake Villa Ccsd 41 also operates Peter J Palombi School (844 students), B J Hooper Elem School (545 students), and Olive C Martin School (511 students). See the Lake Villa Ccsd 41 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.