Serving 438 students in grades Prekindergarten-8, 21st Century Preparatory School ranks in the bottom 50% of all schools in Wisconsin for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 7% (which is lower than the Wisconsin state average of 40%). The percentage of students achieving proficiency in reading/language arts is 13% (which is lower than the Wisconsin state average of 38%).
The student-teacher ratio of 18:1 is higher than the Wisconsin state level of 13:1.
Minority enrollment is 95% of the student body (majority Black), which is higher than the Wisconsin state average of 34% (majority Hispanic and Black).
Quick Facts (2026)
- School Type: Charter School
- Grades: Prekindergarten-8
- Enrollment: 438 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 95%
- Overall Testing Rank: Bottom 50% in WI
- Math Proficiency: 7% (Btm 50%)
- Reading Proficiency: 13% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WI Dept. of Education
School Overview
21st Century Preparatory School's student population of 438 students has declined by 14% over five school years.
The teacher population of 24 teachers has declined by 17% over five school years.
School Type
Grades Offered
Grades Prekindergarten-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
438 students
Total Classroom Teachers
24 teachers
Year Founded
2002
School Calendar
Last Day of School
Tue. Jun 23, 2026
School Rankings
21st Century Preparatory School ranks within the bottom 50% of all 1,962 schools in Wisconsin (based off of combined math and reading proficiency testing data).
The diversity score of 21st Century Preparatory School is 0.55, which is more than the diversity score at state average of 0.54. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1854 out of 1962 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
7%
40%
Reading/Language Arts Test Scores (% Proficient)
13%
38%
Science Test Scores (% Proficient)
10-14%
44%
Student-Teacher Ratio
18:1
13:1
American Indian
n/a
1%
Asian
n/a
4%
Hispanic
20%
14%
Black
63%
9%
White
5%
66%
Hawaiian
n/a
n/a
Two or more races
12%
6%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
63%
36%
Eligible for Reduced Lunch (22-23)
6%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Frequently Asked Questions
What is 21st Century Preparatory School's ranking?
21st Century Preparatory School is ranked #1854 out of 1,962 schools, which ranks it among the bottom 50% of public schools in Wisconsin.
What percent of students have achieved state testing proficiency in math and reading?
7% of students have achieved math proficiency (compared to the 40% WI state average), while 13% of students have achieved reading proficiency (compared to the 38% WI state average).
How many students attend 21st Century Preparatory School?
438 students attend 21st Century Preparatory School.
What is the racial composition of the student body?
63% of 21st Century Preparatory School students are Black, 20% of students are Hispanic, 12% of students are Two or more races, and 5% of students are White.
What is the student-teacher ratio of 21st Century Preparatory School?
21st Century Preparatory School has a student ration of 18:1, which is higher than the Wisconsin state average of 13:1.
What grades does 21st Century Preparatory School offer ?
21st Century Preparatory School offers enrollment in grades Prekindergarten-8 (Supplemental Virtual).
What school district is 21st Century Preparatory School part of?
21st Century Preparatory School is part of Racine Charter One Inc School District.
School Reviews
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