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SCHOOL COMMUNITY·WHITNALL SCHOOL DISTRICT·NCES 550600002673

CORE4

5000 S 116th St, Greenfield, WI 53228 · (414) 525-8404 · Milwaukee County
GRADES PK–PKELEMENTARY21-SUBURBCHARTERREGULAR SCHOOL87 STUDENTS
Enrollment
87
Elementary
DISTRICT 328 · STATE 323
Student : Teacher
21.8:1
4 FTE teachers
DISTRICT 15.9:1 · STATE 14.7:1
Free / Reduced Lunch
25%
22 students
DISTRICT 28% · STATE 42%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K87100%
Student demographics
45%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 52% · STATE 54% · US 70%
White
6372%
DISTRICT 66% · STATE 65% · US 43%
Hispanic
1214%
DISTRICT 19% · STATE 15% · US 30%
Black
11%
DISTRICT 4% · STATE 9% · US 15%
Asian
56%
DISTRICT 4% · STATE 4% · US 6%
Two+
67%
DISTRICT 6% · STATE 6% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
5057%
Female
3743%

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Schools most like CORE4

SchoolStudentsLow-incomeProficient
CORE4 this school8725.3%N/A
Time 4 Learning Charter School
Greendale
8818.2%N/A
Odyssey Elementary
Weston
6423.4%48.6%
School of Technology and Arts I
La Crosse
10423.1%74.6%
Hewitt-Texas Elementary
Wausau
8531.8%62.4%
Discovery Charter School
Columbus
7123.9%68.8%
Matched among Wisconsin elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where CORE4 ranks

Among elementary schools
MeasureThis schoolIn WisconsinIn Milwaukee County
Enrollment
ranked largest first
87#1,100 of 1,157#179 of 180
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
87
-9 (-9%) vs 2020
-20% since 2010-11, when it was 109
Student : Teacher
21.8:1
was 32.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2587421.8:125% (22)
2023-24106426.5:125% (27)
2022-23105426.3:131% (33)
2020-2196332.0:127% (26)
2017-18113337.7:112% (14)
2015-16122340.7:118% (22)
2010-11109336.3:10% (0)
Source: NCES Common Core of Data. Rows are the federal collections on file for CORE4.

Since 2017-18: students down 23% (113 to 87); teachers up 33% (3 to 4).

About CORE4

At 5000 S 116th St in Greenfield, Wisconsin, CORE4 operates as a very small elementary school. Its enrollment is 87 students, spread over pre-K. Across elementary schools in Wisconsin, the average enrollment is about 323.

CORE4 is among 5 schools run by Whitnall School District, which serves 2,364 students.

The largest group at CORE4 is White students, at 72%. Enrollment also includes 14% Hispanic, 7% multiracial, and 6% Asian. Among people living in Milwaukee County, the White share is about 51%. On the diversity index, which measures the chance that two random students are from different groups, CORE4 scores 45%.

CORE4 lists 4 full-time-equivalent teachers; that is about 21.8 students per teacher. The gap from the 14.7:1 average for elementary schools in Wisconsin is 7.0 students per teacher. About 25% of students at CORE4 are eligible for free or reduced-price lunch. Among public schools in Milwaukee County, the average eligibility rate is 64%.

The county, Milwaukee County, is where the school is located. The median household earns about $64,435 a year, 35% of adults hold a bachelor's degree or higher, and about 13% of people live in poverty. Milwaukee County has 284 public schools with about 122,496 students, including CORE4.

Less than a tenth of a mile separates CORE4 from the closest public school, Edgerton Elementary. Within five miles are at least 8 other public schools.

The NCES locale for CORE4 is Suburb: Large, which covers schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more. CORE4 operates as a charter school, which is publicly funded and run under a charter.

In 2020-21, CORE4 enrolled 96 students. By 2024-25, that number had fallen to 87. The student-to-teacher ratio dropped from 32.0:1 in 2020-21 to 21.8:1 in 2024-25.

The CORE4 discussion page is a place for special education services, counseling, and support programs. Teachers and staff are welcome to share updates too.

Milwaukee County at a glance

View full county profile
Population
926,331
Census ACS
Median income
$64,435
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
13%
Below federal line
Schools in county
284
122,496 students

Quick facts

School name
CORE4
District
Whitnall School District
Address
5000 S 116th St, Greenfield, WI 53228
Phone
(414) 525-8404
County
Milwaukee County
Level
Elementary
Grade range
PK–PK
Total enrollment
87
Teachers (FTE)
4
Student–teacher ratio
21.8:1
Free and reduced lunch
22 (25%)
Locale
21-Suburb: Large
NCES ID
550600002673
Charter school
Yes
Virtual school
No

Related schools

Other schools in Whitnall School District
Other schools in Greenfield
Nearby schools

Frequently asked questions

About CORE4
What is the total enrollment at CORE4?
CORE4 enrolls approximately 87 students in grades PK-PK.
Is CORE4 an elementary, middle, or high school?
CORE4 is an elementary school covering grades PK-PK.
How many teachers does CORE4 have?
CORE4 employs 4 FTE teachers, for a student-to-teacher ratio of 21.8:1.
What is the student diversity at CORE4?
Student demographics at CORE4 are roughly 72% White, 14% Hispanic, 1% Black, 6% Asian, 7% Two or more.
Who oversees CORE4?
CORE4 is overseen by Whitnall School District in Milwaukee County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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