- Enrollment
- 821
- Students per teacher
- 13.7:1
- Resource Index
- 51/100
Other / mixed grade configuration · Greenfield, WI
Core4
Federal NCES profile for Core4, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataOther / mixed grade configurationNCES 550600002673Charter school
👥 S:T ratio 13
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Core4 earns 21/100 on the Resource Investment Index, with class sizes larger than 94% of Wisconsin schools.
- #5 of 5
- schools in Greenfield · Resource Index
- 21
- Resource Index · Lower
- 21.8:1
- large classes for Wisconsin
- 27.6%
- free-lunch eligible
Core4 has class sizes larger than 94% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Core4 ranks #5 of 5 schools in Greenfield, WI.
School address
District: Whitnall School District · Wisconsin
NCES ID 550600002673 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+1 students YoY
Core4 held near 106 students from 2022-23 to 2023-24 (+1 headcount).
Teacher FTE held 4.0 → 4.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+1 students YoY 550600002673 · Greenfield, WI Other · SMALL · CHARTER
87 enr · 21.8:1 · 27.6% lunch · RII 21
Nearest enrollment peer: Whitnall High (821 students)
Core4 held near 106 students from 2022-23 to 2023-24 (+1 headcount). Teacher FTE held 4.0 → 4.0 across the same CCD years. Read with this school → · District book → · Wisconsin schools → · Find another →
Core4 in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Whitnall High
Whitnall High
821 students
- Whitnall Middl
Whitnall Middle
558 students
- Hales Corners
Hales Corners Elementary
520 students
- Edgerton Eleme
Edgerton Elementary
378 students
- This school 87
Core4
87 students
What this shows Core4 reports 87 students on the CCD universe file.
How Core4 compares
Core4 held steady on CCD headcount: ratios and free-lunch share vs Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.8:1 | ▲ 51% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 27.6% | ▼ 28% | 38.5% | 51.7% |
| Enrollment | 87 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.8:1
Leaner classes than 11% of US schools, heavier class loads than most.
87
Bigger than 9% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
27.6%
free-lunch eligible
- 28% below the Wisconsin average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
21.8:1
students per teacher
- 51% above state mean
Top 94% in Wisconsin - lower ratio than 6% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$13,630
per pupil, district-wide
- below Wisconsin avg of $15,645
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
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.
Student demographics
White 72.4%
Hispanic or Latino 13.8%
Two or More 6.9%
Asian 5.7%
African American 1.1%
Largest group: White at 72.4% of enrollment.
Student-body diversity index 44.9/100
Simpson diversity index - at 44.9, Core4 is more mixed than the Wisconsin school average of 35.7.
Programs
District finance for Whitnall School District reports $13,630 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Core4 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Whitnall High | Larger | Similar economic need | Lower S:T ratio |
| Whitnall Middle | Larger | Similar economic need | Lower S:T ratio |
| Hales Corners Elementary | Larger | Similar economic need | Lower S:T ratio |
| Edgerton Elementary | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Core4's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 558
- Students per teacher
- 12.4:1
- Resource Index
- 45/100
- Enrollment
- 520
- Students per teacher
- 13.7:1
- Resource Index
- 38/100
- Enrollment
- 378
- Students per teacher
- 11.8:1
- Resource Index
- 48/100
Similar other schools in Greenfield
4 comparable other schools (grades Mixed) serving the same city.
Elm Dale Elementary
Standard public school
477 students 12.9:1 students per teacher
Maple Grove Elementary
Standard public school
427 students 12.2:1 students per teacher
Edgewood Elementary
Standard public school
325 students 12.5:1 students per teacher
Glenwood Elementary
Standard public school
307 students 15.3:1 students per teacher
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~87 students)
Frequently asked questions about Core4
How many students attend Core4?
Core4 has 87 students enrolled. It is a public school in Greenfield, WI. CCD year-over-year: 105 (2022-23) → 106 (2023-24), nearly flat (+1).
What is the student-teacher ratio at Core4?
The student-teacher ratio at Core4 is 21.8:1, which is 51% higher than the Wisconsin average of 14.4:1 and 39% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Core4?
27.6% of students at Core4 are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Core4?
The largest demographic group at Core4 is White at 72.4% of enrollment, in Greenfield, WI.
What is the Resource Investment Index for Core4?
Core4 has a Resource Investment Index of 21/100 (lower reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, gifted-program reporting. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Core4 rank among schools in Greenfield?
By Resource Investment Index, Core4 ranks #5 of 5 schools in Greenfield, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Greenfield on the city page.
What other schools are in Whitnall School District?
Besides Core4, Whitnall School District also operates Whitnall High (821 students), Whitnall Middle (558 students), and Hales Corners Elementary (520 students). See the Whitnall School District district page for the complete list.