Enrollment
520
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Lake Zurich, IL
Isaac Fox Elementary School
Federal NCES profile for Isaac Fox Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataElementary school (grades K-5)NCES 172190000518
👥 S:T ratio 32
🌟 Gifted program 70
📋 Attendance 78
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Isaac Fox Elementary School earns 60/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools.
- #3 of 5
- public schools in Lake Zurich · Resource Index
- 60
- Resource Index · Higher
- 16.9:1
- large classes for Illinois
- 520
- students enrolled
Isaac Fox Elementary School has class sizes larger than 87% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Isaac Fox Elementary School ranks #3 of 5 public schools in Lake Zurich, IL.
School address
District: Lake Zurich Cusd 95 · Illinois
NCES ID 172190000518 Verify on NCES CCD record →
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
16.9:1
vs 14:1 Illinois avg
+21% vs state
Student-teacher ratio in context
How Isaac Fox Elementary School compares with Illinois and U.S. medians
What stands out at Isaac Fox Elementary School
Isaac Fox Elementary School is a mid-sized elementary school in Lake Zurich, Illinois, enrolling 520 students.
Class loads run heavy: 16.9:1 is larger than about 87% of Illinois schools and 21% above the 14:1 state mean, so each teacher carries more students than is typical.
Enrollment of 520 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index outscores 94% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (82% of enrollment) (diversity index 32/100).
Attendance holds up well here: only 8.7% of students were chronically absent, below the typical post-pandemic national figure.
Among Lake Zurich's elementary schools, it stands alongside Sarah Adams Elementary School (429 students): Isaac Fox Elementary School is larger than that campus by headcount and runs heavier classes (16.9:1 vs 12.2:1).
Lake Zurich Cusd 95 also operates Lake Zurich High School (1,839 students) and Lake Zurich Middle - N Campus (697 students) alongside Isaac Fox Elementary 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 Isaac Fox Elementary School compares
Isaac Fox Elementary 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 | 16.9:1 | ▲ 21% | 14:1 | 15.7:1 |
| Enrollment | 520 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.9:1
Leaner classes than 32% of US schools, heavier class loads than most.
520
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
16.9:1
students per teacher
- 21% above state mean
Top 87% in Illinois - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
8.7%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$19,905
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
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
Enrollment 520 Top 28% in Illinois - larger than 72% of 3,845 state schools
Teachers (FTE) 31.0
Students per teacher 16.9:1 +21% vs state
Free-lunch eligible -
NCES ID 172190000518
Student demographics
White 82.1%
Asian 7.5%
Hispanic or Latino 6.7%
Two or More 3.3%
American Indian / Alaska Native 0.4%
Largest group: White at 82.1% of enrollment.
Student-body diversity index 31.5/100
Simpson diversity index - at 31.5, Isaac Fox Elementary School is less mixed than the Illinois school average of 38.9.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 8.7%
In-school suspensions 0
Out-of-school suspensions 0
Funding & spending
District-wide per-pupil expenditure for Lake Zurich Cusd 95, which includes Isaac Fox Elementary School.
$19,905
Per student
+17%
vs Illinois
Avg $17,042
+20%
vs U.S.
Avg $16,593
Revenue mix
Local 72.5%
State 23.9%
Federal 3.6%
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 Isaac Fox Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Zurich High School | Larger | No free-lunch data | Lower S:T ratio |
| Lake Zurich Middle - N Campus | Larger | No free-lunch data | Lower S:T ratio |
| May Whitney Elem School | Larger | No free-lunch data | Lower S:T ratio |
| Lake Zurich Middle - S Campus | Similar size | No free-lunch data | Lower S:T ratio |
| Spencer Loomis Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Isaac Fox Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,839
- Students per teacher
- 14.3:1
- Resource Index
- 43/100
- Enrollment
- 697
- Students per teacher
- 12.8:1
- Resource Index
- 48/100
- Enrollment
- 677
- Students per teacher
- 13.4:1
- Resource Index
- 64/100
- Enrollment
- 599
- Students per teacher
- 11.5:1
- Resource Index
- 49/100
- Enrollment
- 516
- Students per teacher
- 16.3:1
- Resource Index
- 49/100
Similar elementary schools in Lake Zurich
1 comparable elementary schools (grades K-5) serving the same city.
Next steps
Verify locally before acting on Isaac Fox Elementary School's federal record.
- Compare Isaac Fox Elementary School against another school. Compare schools
- Lake Zurich Cusd 95'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 Isaac Fox Elementary School
How many students attend Isaac Fox Elementary School?
Isaac Fox Elementary School has 520 students enrolled. It is an elementary school in Lake Zurich, IL.
What is the student-teacher ratio at Isaac Fox Elementary School?
The student-teacher ratio at Isaac Fox Elementary School is 16.9:1, which is 21% higher than the Illinois average of 14:1 and 8% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Isaac Fox Elementary School?
The largest demographic group at Isaac Fox Elementary School is White at 82.1% of enrollment, in Lake Zurich, IL.
What is the Resource Investment Index for Isaac Fox Elementary School?
Isaac Fox Elementary School has a Resource Investment Index of 60/100 (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 Isaac Fox Elementary School rank among public schools in Lake Zurich?
By Resource Investment Index, Isaac Fox Elementary School ranks #3 of 5 public schools in Lake Zurich, 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 Lake Zurich on the city page.
Is Isaac Fox Elementary School a good school?
Isaac Fox Elementary School earns 60/100 on the Resource Investment Index, with class sizes larger 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 Lake Zurich Cusd 95?
Besides Isaac Fox Elementary School, Lake Zurich Cusd 95 also operates Lake Zurich High School (1,839 students), Lake Zurich Middle - N Campus (697 students), and May Whitney Elem School (677 students). See the Lake Zurich Cusd 95 district page for the complete list.