Whitnall High School is a comprehensive secondary school in Milwaukee County, Wisconsin. It is part of the Whitnall School District. It is named for Charles B. Whitnall, the first Socialist City Treasurer of Milwaukee and the architect of Milwaukee County's system of public parks.
Core4 serves 106 students in grades Prekindergarten.
The student-teacher ratio of 27:1 is higher than the Wisconsin state level of 13:1.
Minority enrollment is 27% of the student body (majority Hispanic), which is lower than the Wisconsin state average of 33% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Prekindergarten
- Enrollment: 106 students
- Student-Teacher Ratio: 27:1
- Minority Enrollment: 27%
- Source: National Center for Education Statistics (NCES), WI Dept. of Education
School Overview
Core4's student population of 106 students has grown by 10% over five school years.
The teacher population of 4 teachers has grown by 33% over five school years.
School Type
Grades Offered
Grades Prekindergarten
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
106 students
Gender %
Total Classroom Teachers
4 teachers
Year Founded
1959
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
The diversity score of Core4 is 0.44, which is less than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
Student-Teacher Ratio
27:1
13:1
American Indian
n/a
1%
Asian
5%
4%
Hispanic
15%
14%
Black
3%
9%
White
73%
67%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Eligible for Free Lunch
23%
37%
Eligible for Reduced Lunch
3%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Frequently Asked Questions
How many students attend Core4?
106 students attend Core4.
What is the racial composition of the student body?
73% of Core4 students are White, 15% of students are Hispanic, 5% of students are Asian, 4% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Core4?
Core4 has a student ration of 27:1, which is higher than the Wisconsin state average of 13:1.
What grades does Core4 offer ?
Core4 offers enrollment in grades Prekindergarten (Supplemental Virtual).
What school district is Core4 part of?
Core4 is part of Whitnall School District.
School Reviews
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