Other / mixed grade configuration · Crystal Lake, IL

Prairie Grove Elem School

Federal NCES profile for Prairie Grove Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.

2024-25 NCES dataOther / mixed grade configurationNCES 173252003380
0/100100/10040/100
👥 S:T ratio
43
🌟 Gifted program
30
📋 Attendance
48
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Prairie Grove Elem School earns 40/100 on the Resource Investment Index, with class sizes near the Illinois median.

#14 of 17
public schools in Crystal Lake · Resource Index
40
Resource Index · Typical
14.2:1
students per teacher
552
students enrolled

Prairie Grove Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.

By Resource Investment Index, Prairie Grove Elem School ranks #14 of 17 public schools in Crystal Lake, IL.

Enrollment

552

Illinois · 2024-25 NCES data

Teachers (FTE)

39.0

Federal CCD staff survey

Students per teacher

14.2:1

vs 14:1 Illinois avg

+1% vs state

Student-teacher ratio in context

How Prairie Grove Elem School compares with Illinois and U.S. medians

Slightly above state median
0:135:114.2:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Prairie Grove Elem School

Prairie Grove Elem School is a mid-sized combined-grade school in Crystal Lake, Illinois, enrolling 552 students.

At 14.2:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.

Enrollment of 552 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 predominantly White (83% of enrollment) (diversity index 30/100).

Attendance runs somewhat below the norm, with 21.0% of students chronically absent per the 2021-22 civil-rights collection.

Among Crystal Lake's public schools, it stands alongside Glacier Ridge Elementary School (360 students): Prairie Grove Elem School is larger than that campus by headcount and runs heavier classes (14.2:1 vs 9.7:1).

Its district, Prairie Grove Csd 46, also runs Prairie Grove Junior High School (357 students).

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 Prairie Grove Elem School compares

Prairie Grove 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 14.2:1 ▲ 1% 14:1 15.7:1
Enrollment 552 top 24% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
552
Bigger than 68% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Staffing depth
14.2:1
students per teacher - 1% above state mean
Top 60% in Illinois - lower ratio than 40% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
21.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,979
per pupil, district-wide - above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 0 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.2 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 82.8%
Hispanic or Latino 9.2%
Two or More 3.8%
Asian 3.3%
African American 0.9%

Largest group: White at 82.8% of enrollment.

Student-body diversity index 30.3/100

Simpson diversity index - at 30.3, Prairie Grove Elem School is less mixed than the Illinois school average of 38.9.

Programs

Funding & spending

District-wide per-pupil expenditure for Prairie Grove Csd 46, which includes Prairie Grove Elem School.

$18,979
Per student
+11%
vs Illinois
Avg $17,042
+14%
vs U.S.
Avg $16,593
Revenue mix
Local 74.2%
State 22.2%
Federal 3.5%

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 Prairie Grove Elem School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Prairie Grove Junior High School Smaller No free-lunch data Lower S:T ratio

Comparisons are relative to Prairie Grove Elem School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Prairie Grove Csd 46 · 1 sibling school

View district profile

Similar other schools in Crystal Lake

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.

Next steps

Verify locally before acting on Prairie Grove 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.

Frequently asked questions about Prairie Grove Elem School

How many students attend Prairie Grove Elem School?

Prairie Grove Elem School has 552 students enrolled. It is a public school in Crystal Lake, IL.

What is the student-teacher ratio at Prairie Grove Elem School?

The student-teacher ratio at Prairie Grove Elem School is 14.2:1, which is 1% higher than the Illinois average of 14:1 and 10% lower than the national average of 15.7:1.

What is the racial and ethnic makeup of Prairie Grove Elem School?

The largest demographic group at Prairie Grove Elem School is White at 82.8% of enrollment, in Crystal Lake, IL.

What is the Resource Investment Index for Prairie Grove Elem School?

Prairie Grove Elem School has a Resource Investment Index of 40/100 (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 Prairie Grove Elem School rank among public schools in Crystal Lake?

By Resource Investment Index, Prairie Grove Elem School ranks #14 of 17 public schools in Crystal Lake, 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 Crystal Lake on the city page.

Is Prairie Grove Elem School a good school?

Prairie Grove Elem School earns 40/100 on the Resource Investment Index, with class sizes near the Illinois median. 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 Prairie Grove Csd 46?

Besides Prairie Grove Elem School, Prairie Grove Csd 46 also operates Prairie Grove Junior High School (357 students). See the Prairie Grove Csd 46 district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.