Enrollment
438
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Racine, WI
21st Century Preparatory School
Federal NCES profile for 21st Century Preparatory School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
2024-25 NCES dataOther / mixed grade configurationNCES 550004502575Charter school
👥 S:T ratio 48
🌟 Gifted program 30
🎓 Counselors 56
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
21st Century Preparatory School earns 34/100 on the Resource Investment Index, with class sizes near the Wisconsin median.
- #8 of 18
- schools in Racine · Resource Index
- 34
- Resource Index · Typical
- 12.9:1
- students per teacher
- 438
- students enrolled
21st Century Preparatory School has class sizes near the Wisconsin median. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, 21st Century Preparatory School ranks #8 of 18 schools in Racine, WI.
School address
District: Racine Charter One Inc. · Wisconsin
NCES ID 550004502575 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 14.4:1 Wisconsin avg
-10% vs state
Student-teacher ratio in context
How 21st Century Preparatory School compares with Wisconsin and U.S. medians
What stands out at 21st Century Preparatory School
21st Century Preparatory School is a mid-sized charter combined-grade school in Racine, Wisconsin, enrolling 438 students.
At 12.9:1, its student-teacher ratio sits close to the Wisconsin median, within a few percentage points of the 14.4:1 state norm, neither notably crowded nor notably small.
Enrollment of 438 puts it in the larger third of Wisconsin schools by headcount.
Its Resource Investment Index lands in the lower third of 2,202 scored Wisconsin schools.
Its student body is led by African American (63%) and Hispanic or Latino (20%) (diversity index 55/100).
Counselor coverage is strong, about 219 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 73.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 322 in- and out-of-school suspensions were reported for 438 students in the 2021-22 Civil Rights Data Collection.
Among Racine's public schools, it stands alongside Gifford School (1,331 students): 21st Century Preparatory School is smaller than that campus by headcount and runs leaner classes (12.9:1 vs 14.6:1).
Racine Charter One Inc. is a single-school charter district, so 21st Century Preparatory School operates independently rather than alongside district-mates.
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 21st Century Preparatory School compares
21st Century Preparatory School on the metrics families compare, against Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.9:1 | ▼ 10% | 14.4:1 | 15.7:1 |
| Enrollment | 438 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
438
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12.9:1
students per teacher
- 10% below state mean
Top 46% in Wisconsin - lower ratio than 54% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
73.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Support staff
Counselors2.0 FTE
Per 219 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 305 out-of-school
Suspension rate: 3.9 per 100 students. Combined in-school and out-of-school rate: 73.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
African American 62.8%
Hispanic or Latino 20.1%
Two or More 12.6%
White 4.6%
Largest group: African American at 62.8% of enrollment.
Student-body diversity index 54.7/100
Simpson diversity index - at 54.7, 21st Century Preparatory School is more mixed than the Wisconsin school average of 35.7.
Programs
Similar other schools in Racine
6 comparable other schools (grades Mixed) serving the same city.
Gifford School
Standard public school
1,331 students 14.6:1 students per teacher
Mitchell School
Standard public school
1,040 students 10.3:1 students per teacher
Jerstad-Agerholm School
Standard public school
870 students 9.5:1 students per teacher
Walden Iii High
Standard public school
692 students 16.1:1 students per teacher
Julian Thomas Elementary
Standard public school
574 students 9.7:1 students per teacher
Johnson Elementary
Standard public school
557 students 13.6:1 students per teacher
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Wisconsin, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~438 students)
Similar student-teacher ratio (~12.9:1)
Next steps
Verify locally before acting on 21st Century Preparatory School's federal record.
- Compare 21st Century Preparatory School against another school. Compare schools
- Racine Charter One Inc.'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 21st Century Preparatory School
How many students attend 21st Century Preparatory School?
21st Century Preparatory School has 438 students enrolled. It is a public school in Racine, WI.
What is the student-teacher ratio at 21st Century Preparatory School?
The student-teacher ratio at 21st Century Preparatory School is 12.9:1, which is 10% lower than the Wisconsin average of 14.4:1 and 18% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of 21st Century Preparatory School?
The largest demographic group at 21st Century Preparatory School is African American at 62.8% of enrollment, in Racine, WI. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.7/100.
What is the Resource Investment Index for 21st Century Preparatory School?
21st Century Preparatory School has a Resource Investment Index of 34/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does 21st Century Preparatory School rank among schools in Racine?
By Resource Investment Index, 21st Century Preparatory School ranks #8 of 18 schools in Racine, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Racine on the city page.
Is 21st Century Preparatory School a good school?
21st Century Preparatory School earns 34/100 on the Resource Investment Index, with class sizes near the Wisconsin median. 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 Racine Charter One Inc.?
None; Racine Charter One Inc. is a single-school charter district, and 21st Century Preparatory School is its only campus.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.