Enrollment
494
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Mchenry, IL
Federal NCES profile for Edgebrook Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
The verdict
Edgebrook Elem School earns 44/100 on the Resource Investment Index, with class sizes smaller than 81% of Illinois schools.
Edgebrook Elem School has class sizes smaller than 81% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Edgebrook Elem School ranks #1 of 3 public schools in Mchenry, IL.
NCES ID 172529002754 Verify on NCES CCD record →
Enrollment
494
Illinois · 2024-25 NCES data
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
11.2:1
vs 14:1 Illinois avg
-20% vs state
How Edgebrook Elem School compares with Illinois and U.S. medians
Smaller classes than state median
11.2:1 - 2.8 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Edgebrook Elem School is a mid-sized combined-grade school in Mchenry, Illinois, enrolling 494 students.
Class sizes run a bit leaner than typical: 11.2:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 494 puts it in the larger 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 (68%) and Hispanic or Latino (25%) (diversity index 48/100).
Attendance runs somewhat below the norm, with 21.5% of students chronically absent per the 2021-22 civil-rights collection.
Mchenry Ccsd 15 also operates Mchenry Middle School (695 students) and Parkland School (645 students) alongside Edgebrook 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
Edgebrook 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 | 11.2:1 | ▼ 20% | 14:1 | 15.7:1 |
| Enrollment | 494 | top 31% | - | - |
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 67.8% of enrollment.
Simpson diversity index - at 47.6, Edgebrook Elem School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Mchenry Ccsd 15, which includes Edgebrook 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 |
|---|---|---|---|
| Mchenry Middle School | Larger | No free-lunch data | Similar S:T ratio |
| Parkland School | Larger | No free-lunch data | Similar S:T ratio |
| Riverwood Elementary School | Larger | No free-lunch data | Similar S:T ratio |
| Valley View Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Chauncey H Duker School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Edgebrook Elem School's own figures; each column derives from NCES Common Core of Data.
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 Edgebrook 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.
Edgebrook Elem School has 494 students enrolled. It is a public school in Mchenry, IL.
The student-teacher ratio at Edgebrook Elem School is 11.2:1, which is 20% lower than the Illinois average of 14:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Edgebrook Elem School is White at 67.8% of enrollment, in Mchenry, IL.
Edgebrook Elem School has a Resource Investment Index of 44/100 (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, Edgebrook Elem School ranks #1 of 3 public schools in Mchenry, 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 Mchenry on the city page.
Edgebrook Elem School earns 44/100 on the Resource Investment Index, with class sizes smaller than 81% 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 Edgebrook Elem School, Mchenry Ccsd 15 also operates Mchenry Middle School (695 students), Parkland School (645 students), and Riverwood Elementary School (619 students). See the Mchenry Ccsd 15 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, “Edgebrook Elem School, Mchenry 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/edgebrook-elem-school-il-2
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