- Enrollment
- 1,847
- Students per teacher
- 16.5:1
- Resource Index
- 49/100
Elementary school (grades K-5) · St. Louis, MO
Mosaic Elementary
Federal NCES profile for Mosaic Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataElementary school (grades K-5)NCES 292067003320
👥 S:T ratio 39
🌟 Gifted program 70
🎓 Counselors 48
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mosaic Elementary earns 57/100 on the Resource Investment Index, with class sizes larger than 81% of Missouri schools.
- #2 of 6
- elementary schools in St. Louis · Resource Index
- 57
- Resource Index · Higher
- 15.2:1
- large classes for Missouri
- 3.6%
- free-lunch eligible
Mosaic Elementary has class sizes larger than 81% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Mosaic Elementary ranks #2 of 6 elementary schools in St. Louis, MO.
School address
District: Mehlville R-Ix · Missouri
NCES ID 292067003320 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+4 students YoY
Mosaic Elementary held near 251 students from 2022-23 to 2023-24 (+4 headcount).
Teacher FTE lost 17.5 → 17.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+4 students YoY 292067003320 · St. Louis, MO Elementary · SMALL · TRAD
258 enr · 15.2:1 · 3.6% lunch · RII 57
Nearest enrollment peer: Oakville Sr. High (1,847 students)
Mosaic Elementary held near 251 students from 2022-23 to 2023-24 (+4 headcount). Teacher FTE lost 17.5 → 17.0 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Mosaic Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Oakville Sr. H
Oakville Sr. High
1,847 students
- Mehlville High
Mehlville High School
1,388 students
- Oakville Middl 629
Oakville Middle
629 students
- Bernard Middle 577
Bernard Middle
577 students
- Margaret Buerk 549
Margaret Buerkle Middle
549 students
- This school 258
Mosaic Elementary
258 students
What this shows Mosaic Elementary reports 258 students on the CCD universe file.
How Mosaic Elementary compares
Mosaic Elementary held steady on CCD headcount: 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 | 3.6% | ▼ 92% | 46.1% | 51.7% |
| Enrollment | 258 | top 60% | - | - |
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.
258
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
3.6%
free-lunch eligible
- 92% below the Missouri average of 46.1%
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
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
11.2%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$12,165
per pupil, district-wide
- below Missouri avg of $14,087
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 258 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 2 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 2.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 84.5%
African American 6.6%
Hispanic or Latino 3.9%
Two or More 3.5%
Asian 1.6%
Largest group: White at 84.5% of enrollment.
Student-body diversity index 27.9/100
Simpson diversity index - at 27.9, Mosaic Elementary is less mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
District finance for Mehlville R-Ix reports $12,165 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mosaic Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oakville Sr. High | Larger | Higher economic need | Similar S:T ratio |
| Mehlville High School | Larger | Higher economic need | Lower S:T ratio |
| Oakville Middle | Larger | Higher economic need | Similar S:T ratio |
| Bernard Middle | Larger | Higher economic need | Lower S:T ratio |
| Margaret Buerkle Middle | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mosaic Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,388
- Students per teacher
- 13.6:1
- Resource Index
- 50/100
- Enrollment
- 629
- Students per teacher
- 14.6:1
- Resource Index
- 50/100
- Enrollment
- 577
- Students per teacher
- 13.1:1
- Resource Index
- 49/100
- Enrollment
- 549
- Students per teacher
- 12.8:1
- Resource Index
- 49/100
Similar elementary schools in St. Louis
5 comparable elementary schools (grades K-5) serving the same city.
Kipp Triumph Academy
Standard public school
305 students 8.5:1 students per teacher
Kipp Wisdom Academy
Standard public school
285 students 7.1:1 students per teacher
Eagle Tower Grove East
Standard public school
161 students 10.1:1 students per teacher
Humboldt Acad of Higher Lrning
Standard public school
108 students 8.3:1 students per teacher
Eagle Gravois Park
Standard public school
91 students 5.1:1 students per teacher
Nationwide elementary 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 (~258 students)
Similar student-teacher ratio (~15.2:1)
Frequently asked questions about Mosaic Elementary
How many students attend Mosaic Elementary?
Mosaic Elementary has 258 students enrolled. It is an elementary school in St. Louis, MO. CCD year-over-year: 247 (2022-23) → 251 (2023-24), nearly flat (+4).
What is the student-teacher ratio at Mosaic Elementary?
The student-teacher ratio at Mosaic Elementary 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 Mosaic Elementary?
3.6% of students at Mosaic Elementary are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Mosaic Elementary?
The largest demographic group at Mosaic Elementary is White at 84.5% of enrollment, in St. Louis, MO.
What is the Resource Investment Index for Mosaic Elementary?
Mosaic Elementary has a Resource Investment Index of 57/100 (higher 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 Mosaic Elementary rank among elementary schools in St. Louis?
By Resource Investment Index, Mosaic Elementary ranks #2 of 6 elementary 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 elementary schools in St. Louis on the city page.
What other schools are in Mehlville R-Ix?
Besides Mosaic Elementary, Mehlville R-Ix also operates Oakville Sr. High (1,847 students), Mehlville High School (1,388 students), and Oakville Middle (629 students). See the Mehlville R-Ix district page for the complete list.