Enrollment
186
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Antioch, IL
Federal NCES profile for Grass Lake Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Grass Lake Elem School earns 41/100 on the Resource Investment Index, with class sizes smaller than 83% of Illinois schools.
Grass Lake Elem School has class sizes smaller than 83% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Grass Lake Elem School ranks #5 of 7 public schools in Antioch, IL.
NCES ID 171749002053 Verify on NCES CCD record →
Enrollment
186
Illinois · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
10.9:1
vs 14:1 Illinois avg
-22% vs state
How Grass Lake Elem School compares with Illinois and U.S. medians
Grass Lake Elem School is a mid-sized combined-grade school in Antioch, Illinois, enrolling 186 students.
Class sizes run a bit leaner than typical: 10.9:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 186 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (74%) and Hispanic or Latino (22%) (diversity index 40/100).
Chronic absenteeism is elevated: 25.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Grass Lake Sd 36 spends $28,516 per pupil, 67% above the Illinois average, a better-resourced district than most.
Among Antioch's public schools, it stands alongside Mary Kay Mcneill Elc (108 students): Grass Lake Elem School is larger than that campus by headcount and runs leaner classes (10.9:1 vs 18:1).
Grass Lake Sd 36 operates only this one school, so Grass Lake Elem School has no district-mates to compare against locally.
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
Grass Lake 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 | 10.9:1 | ▼ 22% | 14:1 | 15.7:1 |
| Enrollment | 186 | top 84% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 74.2% of enrollment.
Simpson diversity index - at 40.2, Grass Lake Elem School is about as mixed as the Illinois school average of 38.9.
District-wide per-pupil expenditure for Grass Lake Sd 36, which includes Grass Lake Elem School.
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.
1 comparable other schools (grades Mixed) serving the same city.
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.
Next steps
Verify locally before acting on Grass Lake Elem School's federal record.
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.
Grass Lake Elem School has 186 students enrolled. It is a public school in Antioch, IL.
The student-teacher ratio at Grass Lake Elem School is 10.9:1, which is 22% lower than the Illinois average of 14:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Grass Lake Elem School is White at 74.2% of enrollment, in Antioch, IL.
Grass Lake Elem School has a Resource Investment Index of 41/100 (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).
By Resource Investment Index, Grass Lake Elem School ranks #5 of 7 public schools in Antioch, 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 Antioch on the city page.
Grass Lake Elem School earns 41/100 on the Resource Investment Index, with class sizes smaller than 83% 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.
None reported; Grass Lake Sd 36 operates only Grass Lake Elem School as a public school district in NCES's records.
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.