- Enrollment
- 838
- Students per teacher
- 12.9:1
- Resource Index
- 26/100
High school (grades 9-12) · St Louis, MO
Confluence Preparatory Academy
Federal NCES profile for Confluence Preparatory Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 290057903102Charter school
👥 S:T ratio 39
🌟 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
Confluence Preparatory Academy earns 31/100 on the Resource Investment Index, with class sizes larger than 81% of Missouri schools.
- #22 of 26
- high schools in St Louis · Resource Index
- 31
- Resource Index · Lower
- 15.2:1
- large classes for Missouri
- 100.0%
- free-lunch eligible
Confluence Preparatory Academy has class sizes larger than 81% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Confluence Preparatory Academy ranks #22 of 26 high schools in St Louis, MO.
School address
District: Confluence Academies · Missouri
NCES ID 290057903102 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-40 students YoY
Confluence Preparatory Academy shrank from 393 students in 2022-23 to 353 in 2023-24 (-10.2%).
Teacher FTE added 29.8 → 32.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-40 students YoY 290057903102 · St Louis, MO High · SMALL · CHARTER
442 enr · 15.2:1 · 100.0% lunch · RII 31
Nearest enrollment peer: South City (838 students)
Confluence Preparatory Academy shrank from 393 students in 2022-23 to 353 in 2023-24 (-10.2%). Teacher FTE added 29.8 → 32.0 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Confluence Preparatory Academy in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- South City
South City
838 students
- Old North Acad
Old North Academy
448 students
- This school
Confluence Preparatory Academy
442 students
- Grand Center A
Grand Center Arts Academy High
402 students
- Grand Center A 218
Grand Center Arts Acad Middle
218 students
- Aspire Academy 112
Aspire Academy
112 students
What this shows Confluence Preparatory Academy reports 442 students on the CCD universe file.
How Confluence Preparatory Academy compares
Confluence Preparatory Academy is a shrinking campus on CCD: ratios and free-lunch share vs Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.2:1 | ▲ 19% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 117% | 46.1% | 51.7% |
| Enrollment | 442 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.2:1
Leaner classes than 45% of US schools, a middle-of-the-pack class size.
442
Bigger than 54% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
100.0%
free-lunch eligible
- 117% above the Missouri average of 46.1%
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
15.2:1
students per teacher
- 19% above state mean
Top 81% in Missouri - lower ratio than 19% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
52.5%
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.
Funding equity
$23,552
per pupil, district-wide
- above Missouri avg of $14,087
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 221 students, the combined health-and-guidance staffing load for this school.
Discipline context
142
in-school suspensions + 151 out-of-school
Suspension rate: 32.1 per 100 students. Combined in-school and out-of-school rate: 66.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 82.4%
Hispanic or Latino 12.7%
Two or More 2.5%
White 1.8%
American Indian / Alaska Native 0.5%
Asian 0.2%
Largest group: African American at 82.4% of enrollment.
Student-body diversity index 30.4/100
Simpson diversity index - at 30.4, Confluence Preparatory Academy is about as mixed as the Missouri school average of 31.0.
Programs
AP courses offered 8
District finance for Confluence Academies reports $23,552 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Confluence Preparatory Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South City | Larger | Similar economic need | Lower S:T ratio |
| Old North Academy | Similar size | Similar economic need | Lower S:T ratio |
| Grand Center Arts Academy High | Similar size | Similar economic need | Lower S:T ratio |
| Grand Center Arts Acad Middle | Smaller | Similar economic need | Lower S:T ratio |
| Aspire Academy | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Confluence Preparatory Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 448
- Students per teacher
- 9.7:1
- Resource Index
- 37/100
- Enrollment
- 402
- Students per teacher
- 11.5:1
- Resource Index
- 36/100
- Enrollment
- 218
- Students per teacher
- 11.5:1
- Resource Index
- 45/100
- Enrollment
- 112
- Students per teacher
- 8:1
- Resource Index
- 44/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~442 students)
Similar student-teacher ratio (~15.2:1)
Frequently asked questions about Confluence Preparatory Academy
How many students attend Confluence Preparatory Academy?
Confluence Preparatory Academy has 442 students enrolled. It is a high school in St Louis, MO. CCD year-over-year: 393 (2022-23) → 353 (2023-24), down 40.
What is the student-teacher ratio at Confluence Preparatory Academy?
The student-teacher ratio at Confluence Preparatory Academy is 15.2:1, which is 19% higher than the Missouri average of 12.8:1 and 3% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Confluence Preparatory Academy?
100.0% of students at Confluence Preparatory Academy are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Confluence Preparatory Academy?
The largest demographic group at Confluence Preparatory Academy is African American at 82.4% of enrollment, in St Louis, MO.
What is the Resource Investment Index for Confluence Preparatory Academy?
Confluence Preparatory Academy has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Confluence Preparatory Academy rank among high schools in St Louis?
By Resource Investment Index, Confluence Preparatory Academy ranks #22 of 26 high schools in St Louis, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in St Louis on the city page.
What other schools are in Confluence Academies?
Besides Confluence Preparatory Academy, Confluence Academies also operates South City (838 students), Old North Academy (448 students), and Grand Center Arts Academy High (402 students). See the Confluence Academies district page for the complete list.