Enrollment
535
Wisconsin · 2024-25 NCES data
Other / mixed grade configuration · Milwaukee, WI
Green Tree Preparatory Academy
Federal NCES profile for Green Tree Preparatory Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataOther / mixed grade configurationNCES 550960003111Charter school
👥 S:T ratio 0
🌟 Gifted program 70
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Green Tree Preparatory Academy earns 23/100 on the Resource Investment Index, with class sizes larger than 99% of Wisconsin schools.
- #106 of 135
- schools in Milwaukee · Resource Index
- 23
- Resource Index · Lower
- 44.6:1
- large classes for Wisconsin
- 91.0%
- free-lunch eligible
Green Tree Preparatory Academy has class sizes larger than 99% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Green Tree Preparatory Academy ranks #106 of 135 schools in Milwaukee, WI.
School address
District: Milwaukee School District · Wisconsin
NCES ID 550960003111 Verify on NCES CCD record →
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
44.6:1
vs 14.4:1 Wisconsin avg
+210% vs state
Free-lunch eligible
91.0%
vs 38.5% Wisconsin avg
+136% vs state
Student-teacher ratio in context
How Green Tree Preparatory Academy compares with Wisconsin and U.S. medians
What stands out at Green Tree Preparatory Academy
Green Tree Preparatory Academy is a high-poverty, mid-sized charter combined-grade school in Milwaukee, Wisconsin, enrolling 535 students.
Class loads run heavy: 44.6:1 is larger than about 99% of Wisconsin schools and 210% above the 14.4:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 91.0% of students qualify for free meals, 136% above the Wisconsin average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 535 puts it in the larger third of Wisconsin schools by headcount.
Its Resource Investment Index trails 95% of the 2,202 Wisconsin schools with a score on record, one of the lower results on this measure.
Among 84 similarly sized, similarly resourced-need Wisconsin schools statewide, it ranks #63, in the lower tier once campus size and economic need are matched.
Its student body is predominantly African American (86% of enrollment) (diversity index 25/100).
Chronic absenteeism is elevated: 71.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Milwaukee School District spends $17,847 per pupil, 20% above the Wisconsin average, a better-resourced district than most.
Its district draws 15.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 156 in- and out-of-school suspensions were reported for 535 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Milwaukee's public schools, it stands alongside Hapa-Hmong American Peace Academy K3-12 (1,974 students): Green Tree Preparatory Academy is smaller than that campus by headcount and runs heavier classes (44.6:1 vs 30.8:1).
Milwaukee School District also operates Hapa-Hmong American Peace Academy K3-12 (1,974 students) and Hamilton High (1,472 students) alongside Green Tree Preparatory Academy.
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 Green Tree Preparatory Academy compares
Green Tree 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 | 44.6:1 | ▲ 210% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 91.0% | ▲ 136% | 38.5% | 51.7% |
| Enrollment | 535 | top 18% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
44.6:1
Leaner classes than 0% of US schools, heavier class loads than most.
535
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
91.0%
free-lunch eligible
- 136% above the Wisconsin average of 38.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
44.6:1
students per teacher
- 210% above state mean
Top 99% in Wisconsin - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
71.6%
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.
Funding equity
$17,847
per pupil, district-wide
- above Wisconsin avg of $14,919
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 156 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 29.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
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 86.4%
Hispanic or Latino 4.7%
Two or More 3.9%
Asian 3.4%
White 1.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: African American at 86.4% of enrollment.
Student-body diversity index 24.8/100
Simpson diversity index - at 24.8, Green Tree Preparatory Academy is less mixed than the Wisconsin school average of 35.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Milwaukee School District, which includes Green Tree Preparatory Academy.
$17,847
Per student
+20%
vs Wisconsin
Avg $14,919
+8%
vs U.S.
Avg $16,593
Revenue mix
Local 27.3%
State 57.7%
Federal 15.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Green Tree Preparatory Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hapa-Hmong American Peace Academy K3-12 | Larger | Similar economic need | Lower S:T ratio |
| Hamilton High | Larger | Similar economic need | Lower S:T ratio |
| Reagan College Preparatory High | Larger | Lower economic need | Lower S:T ratio |
| King International | Larger | Lower economic need | Lower S:T ratio |
| Obama School of Career and Technical Education | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Green Tree Preparatory Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,974
- Students per teacher
- 30.8:1
- Resource Index
- 20/100
- Enrollment
- 1,472
- Students per teacher
- 14.6:1
- Resource Index
- 46/100
- Enrollment
- 1,372
- Students per teacher
- 22.5:1
- Resource Index
- 36/100
- Enrollment
- 1,308
- Students per teacher
- 18.2:1
- Resource Index
- 34/100
- Enrollment
- 1,294
- Students per teacher
- 27.5:1
- Resource Index
- 23/100
Similar other schools in Milwaukee
6 comparable other schools (grades Mixed) serving the same city.
Hapa-Hmong American Peace Academy K3-12
Standard public school
1,974 students 30.8:1 students per teacher
Milwaukee Academy of Science
Standard public school
1,711 students 24.8:1 students per teacher
Bruce Guadalupe
Standard public school
1,364 students 15:1 students per teacher
Obama School of Career and Technical Education
Standard public school
1,294 students 27.5:1 students per teacher
Golda Meir School
Standard public school
1,192 students 19.9:1 students per teacher
Milwaukee School of Languages
Standard public school
964 students 14.2:1 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 (~535 students)
Similar student-teacher ratio (~44.6:1)
Next steps
Verify locally before acting on Green Tree Preparatory Academy's federal record.
- Compare Green Tree Preparatory Academy against another school. Compare schools
- Milwaukee School District'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 Green Tree Preparatory Academy
How many students attend Green Tree Preparatory Academy?
Green Tree Preparatory Academy has 535 students enrolled. It is a public school in Milwaukee, WI.
What is the student-teacher ratio at Green Tree Preparatory Academy?
The student-teacher ratio at Green Tree Preparatory Academy is 44.6:1, which is 210% higher than the Wisconsin average of 14.4:1 and 184% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Green Tree Preparatory Academy?
91.0% of students at Green Tree Preparatory Academy are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Green Tree Preparatory Academy?
The largest demographic group at Green Tree Preparatory Academy is African American at 86.4% of enrollment, in Milwaukee, WI.
What is the Resource Investment Index for Green Tree Preparatory Academy?
Green Tree Preparatory Academy has a Resource Investment Index of 23/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Green Tree Preparatory Academy rank among schools in Milwaukee?
By Resource Investment Index, Green Tree Preparatory Academy ranks #106 of 135 schools in Milwaukee, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Milwaukee on the city page.
Is Green Tree Preparatory Academy a good school?
Green Tree Preparatory Academy earns 23/100 on the Resource Investment Index, with class sizes larger than 99% of Wisconsin schools. 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 Milwaukee School District?
Besides Green Tree Preparatory Academy, Milwaukee School District also operates Hapa-Hmong American Peace Academy K3-12 (1,974 students), Hamilton High (1,472 students), and Reagan College Preparatory High (1,372 students). See the Milwaukee School District 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.