Enrollment
321
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Lockport, IL
Ludwig Elem School
Federal NCES profile for Ludwig Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataElementary school (grades K-5)NCES 172373004931
👥 S:T ratio 58
🌟 Gifted program 30
📋 Attendance 63
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ludwig Elem School earns 50/100 on the Resource Investment Index, with class sizes smaller than 87% of Illinois schools.
- #1 of 3
- elementary schools in Lockport · Resource Index
- 50
- Resource Index · Higher
- 10.4:1
- small classes for Illinois
- 321
- students enrolled
Ludwig Elem School has class sizes smaller than 87% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Ludwig Elem School ranks #1 of 3 elementary schools in Lockport, IL.
School address
District: Will County Sd 92 · Illinois
NCES ID 172373004931 Verify on NCES CCD record →
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
10.4:1
vs 14:1 Illinois avg
-26% vs state
Student-teacher ratio in context
How Ludwig Elem School compares with Illinois and U.S. medians
What stands out at Ludwig Elem School
Ludwig Elem School is a mid-sized elementary school in Lockport, Illinois, enrolling 321 students.
Classes run notably small here: at 10.4:1, Ludwig Elem School is leaner than roughly 87% of Illinois schools and 26% under the state's 14:1 norm, more adult attention per pupil than most peers.
With 321 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (77%) and Hispanic or Latino (19%) (diversity index 38/100).
15.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Will County Sd 92 spends $23,569 per pupil, 38% above the Illinois average, a better-resourced district than most.
Among Lockport's elementary schools, it stands alongside William J Butler School (557 students): Ludwig Elem School is smaller than that campus by headcount and runs leaner classes (10.4:1 vs 16.9:1).
Will County Sd 92 also operates Oak Prairie Jr High School (460 students) and Walsh Elem School (363 students) alongside Ludwig Elem 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 Ludwig Elem School compares
Ludwig Elem 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 | 10.4:1 | ▼ 26% | 14:1 | 15.7:1 |
| Enrollment | 321 | top 59% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.4:1
Leaner classes than 87% of US schools, among the more generously staffed nationally.
321
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
10.4:1
students per teacher
- 26% below state mean
Top 13% in Illinois - lower ratio than 87% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$23,569
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
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 76.6%
Hispanic or Latino 19.0%
Two or More 2.5%
African American 1.9%
Largest group: White at 76.6% of enrollment.
Student-body diversity index 37.6/100
Simpson diversity index - at 37.6, Ludwig Elem School is about as mixed as the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Will County Sd 92, which includes Ludwig Elem School.
$23,569
Per student
+38%
vs Illinois
Avg $17,042
+42%
vs U.S.
Avg $16,593
Revenue mix
Local 74.0%
State 24.0%
Federal 2.0%
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 Ludwig Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oak Prairie Jr High School | Larger | No free-lunch data | Similar S:T ratio |
| Walsh Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Reed Elem School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Ludwig Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 460
- Students per teacher
- 11:1
- Resource Index
- 54/100
- Enrollment
- 363
- Students per teacher
- 11.7:1
- Resource Index
- 50/100
- Enrollment
- 291
- Students per teacher
- 10.8:1
- Resource Index
- 57/100
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 (~321 students)
Similar student-teacher ratio (~10.4:1)
Next steps
Verify locally before acting on Ludwig Elem School's federal record.
- Compare Ludwig Elem School against another school. Compare schools
- Will County Sd 92'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 Ludwig Elem School
How many students attend Ludwig Elem School?
Ludwig Elem School has 321 students enrolled. It is an elementary school in Lockport, IL.
What is the student-teacher ratio at Ludwig Elem School?
The student-teacher ratio at Ludwig Elem School is 10.4:1, which is 26% lower than the Illinois average of 14:1 and 34% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Ludwig Elem School?
The largest demographic group at Ludwig Elem School is White at 76.6% of enrollment, in Lockport, IL.
What is the Resource Investment Index for Ludwig Elem School?
Ludwig Elem School has a Resource Investment Index of 50/100 (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 Ludwig Elem School rank among elementary schools in Lockport?
By Resource Investment Index, Ludwig Elem School ranks #1 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 Ludwig Elem School a good school?
Ludwig Elem School earns 50/100 on the Resource Investment Index, with class sizes smaller 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 Will County Sd 92?
Besides Ludwig Elem School, Will County Sd 92 also operates Oak Prairie Jr High School (460 students), Walsh Elem School (363 students), and Reed Elem School (291 students). See the Will County Sd 92 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.