Enrollment
99
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Madison, WI
One City Preparatory Academy
Federal NCES profile for One City Preparatory Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataOther / mixed grade configurationNCES 550008303385Charter school
👥 S:T ratio 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
One City Preparatory Academy earns 50/100 on the Resource Investment Index, with class sizes near the Wisconsin median.
- #10 of 33
- schools in Madison · Resource Index
- 50
- Resource Index · Higher
- 12.4:1
- students per teacher
- 15.9%
- free-lunch eligible
One City Preparatory Academy has class sizes near the Wisconsin median. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, One City Preparatory Academy ranks #10 of 33 schools in Madison, WI.
School address
District: One City Schools Inc. · Wisconsin
NCES ID 550008303385 Verify on NCES CCD record →
Teachers (FTE)
8.0
Federal CCD staff survey
Students per teacher
12.4:1
vs 14.4:1 Wisconsin avg
-14% vs state
Free-lunch eligible
15.9%
vs 38.5% Wisconsin avg
-59% vs state
Student-teacher ratio in context
How One City Preparatory Academy compares with Wisconsin and U.S. medians
What stands out at One City Preparatory Academy
One City Preparatory Academy is a lower-poverty, small charter combined-grade school in Madison, Wisconsin, enrolling 99 students.
Class sizes run a bit leaner than typical: 12.4:1 puts it in the smaller third of Wisconsin schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 15.9% of students eligible for free meals.
Enrollment of 99 puts it in the smaller third of Wisconsin schools by headcount.
Its Resource Investment Index lands in the upper third of 2,202 scored Wisconsin schools.
Against 108 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #37.
Its student body is led by African American (78%) and Two or More (12%) (diversity index 37/100).
Among Madison's public schools, it stands alongside Cesar Chavez Elementary (631 students): One City Preparatory Academy is smaller than that campus by headcount and runs leaner classes (12.4:1 vs 13.4:1).
Its district, One City Schools Inc., also runs One City Elementary School (328 students).
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 One City Preparatory Academy compares
One City Preparatory Academy on the metrics families compare, against Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.4:1 | ▼ 14% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 15.9% | ▼ 59% | 38.5% | 51.7% |
| Enrollment | 99 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.4:1
Leaner classes than 72% of US schools, among the more generously staffed nationally.
99
Bigger than 10% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
15.9%
free-lunch eligible
- 59% below the Wisconsin average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.4:1
students per teacher
- 14% below state mean
Top 38% in Wisconsin - lower ratio than 62% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
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 77.8%
Two or More 12.1%
Hispanic or Latino 8.1%
White 2.0%
Largest group: African American at 77.8% of enrollment.
Student-body diversity index 37.3/100
Simpson diversity index - at 37.3, One City Preparatory Academy is about as mixed as the Wisconsin school average of 35.7.
How One City Preparatory Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| One City Elementary School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to One City Preparatory Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 328
- Students per teacher
- 15.6:1
- Resource Index
- 39/100
Similar other schools in Madison
6 comparable other schools (grades Mixed) serving the same city.
Cesar Chavez Elementary
Standard public school
631 students 13.4:1 students per teacher
Leopold Elementary
Standard public school
626 students 10.6:1 students per teacher
4k Pk Off Site
Standard public school
619 students 13.2:1 students per teacher
Kennedy Elementary
Standard public school
582 students 16.2:1 students per teacher
Dr Virginia Henderson Elementary School
Standard public school
462 students 10.5:1 students per teacher
Milele Chikasa Anana Elementary School
Standard public school
455 students 13:1 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 (~99 students)
Similar student-teacher ratio (~12.4:1)
Next steps
Verify locally before acting on One City Preparatory Academy's federal record.
- Compare One City Preparatory Academy against another school. Compare schools
- One City Schools 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 One City Preparatory Academy
How many students attend One City Preparatory Academy?
One City Preparatory Academy has 99 students enrolled. It is a public school in Madison, WI.
What is the student-teacher ratio at One City Preparatory Academy?
The student-teacher ratio at One City Preparatory Academy is 12.4:1, which is 14% lower than the Wisconsin average of 14.4:1 and 21% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at One City Preparatory Academy?
15.9% of students at One City Preparatory Academy are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of One City Preparatory Academy?
The largest demographic group at One City Preparatory Academy is African American at 77.8% of enrollment, in Madison, WI.
What is the Resource Investment Index for One City Preparatory Academy?
One City Preparatory Academy has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. 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 One City Preparatory Academy rank among schools in Madison?
By Resource Investment Index, One City Preparatory Academy ranks #10 of 33 schools in Madison, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Madison on the city page.
Is One City Preparatory Academy a good school?
One City Preparatory Academy earns 50/100 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 One City Schools Inc.?
Besides One City Preparatory Academy, One City Schools Inc. also operates One City Elementary School (328 students). See the One City Schools Inc. district page for the complete list.
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.