Enrollment
360
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Winnetka, IL
Federal NCES profile for Crow Island Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 59/100.
The verdict
Crow Island Elem School earns 59/100 on the Resource Investment Index, with class sizes smaller than 76% of Illinois schools.
Crow Island Elem School has class sizes smaller than 76% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Crow Island Elem School ranks #1 of 4 elementary schools in Winnetka, IL.
NCES ID 174284004299 Verify on NCES CCD record →
Enrollment
360
Illinois · 2024-25 NCES data
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 14:1 Illinois avg
-17% vs state
How Crow Island Elem School compares with Illinois and U.S. medians
Smaller classes than state median
11.6:1 - 2.4 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Crow Island Elem School is a mid-sized elementary school in Winnetka, Illinois, enrolling 360 students.
Class sizes run a bit leaner than typical: 11.6:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
With 360 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index outscores 93% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (90% of enrollment) (diversity index 19/100).
Attendance holds up well here: only 2.8% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Winnetka Sd 36 spends $31,932 per pupil, 87% above the Illinois average, a better-resourced district than most.
Among Winnetka's elementary schools, it stands alongside The Skokie School (362 students): Crow Island Elem School is smaller than that campus by headcount and runs heavier classes (11.6:1 vs 9.5:1).
Winnetka Sd 36 also operates Carleton W Washburne School (376 students) and The Skokie School (362 students) alongside Crow Island 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
Crow Island 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 | 11.6:1 | ▼ 17% | 14:1 | 15.7:1 |
| Enrollment | 360 | top 52% | - | - |
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 89.7% of enrollment.
Simpson diversity index - at 19.1, Crow Island Elem School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Winnetka Sd 36, which includes Crow Island 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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Carleton W Washburne School | Similar size | No free-lunch data | Lower S:T ratio |
| The Skokie School | Similar size | No free-lunch data | Lower S:T ratio |
| Greeley Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Hubbard Woods Elem School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Crow Island Elem School's own figures; each column derives from NCES Common Core of Data.
3 comparable elementary schools (grades K-5) 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 Crow Island 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.
Crow Island Elem School has 360 students enrolled. It is an elementary school in Winnetka, IL.
The student-teacher ratio at Crow Island Elem School is 11.6:1, which is 17% lower than the Illinois average of 14:1 and 26% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Crow Island Elem School is White at 89.7% of enrollment, in Winnetka, IL.
Crow Island Elem School has a Resource Investment Index of 59/100 (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).
By Resource Investment Index, Crow Island Elem School ranks #1 of 4 elementary schools in Winnetka, 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 Winnetka on the city page.
Crow Island Elem School earns 59/100 on the Resource Investment Index, with class sizes smaller than 76% 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.
Besides Crow Island Elem School, Winnetka Sd 36 also operates Carleton W Washburne School (376 students), The Skokie School (362 students), and Greeley Elem School (355 students). See the Winnetka Sd 36 district page for the complete list.
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.
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PlainSchools, “Crow Island Elem School, Winnetka IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/crow-island-elem-school-il/
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