- Enrollment
- 1,643
- Students per teacher
- 13.6:1
- Resource Index
- 41/100
Elementary school (grades K-5) · O'fallon, MO
Joseph L. Mudd Elem.
Federal NCES profile for Joseph L. Mudd Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataElementary school (grades K-5)NCES 290837000235
👥 S:T ratio 48
🌟 Gifted program 70
🎓 Counselors 18
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Joseph L. Mudd Elem. earns 44/100 on the Resource Investment Index, with class sizes near the Missouri median.
- #11 of 12
- elementary schools in O'fallon · Resource Index
- 44
- Resource Index · Typical
- 12.9:1
- students per teacher
- 24.9%
- free-lunch eligible
Joseph L. Mudd Elem. has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Joseph L. Mudd Elem. ranks #11 of 12 elementary schools in O'fallon, MO.
School address
District: Ft. Zumwalt R-Ii · Missouri
NCES ID 290837000235 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+36 students YoY
Joseph L. Mudd Elem. grew from 398 students in 2022-23 to 434 in 2023-24 (+9.0%).
Teacher FTE added 32.5 → 36.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+36 students YoY 290837000235 · O'fallon, MO Elementary · SMALL · TRAD
412 enr · 12.9:1 · 24.9% lunch · RII 44
Nearest enrollment peer: Ft. Zumwalt West High (1,643 students)
Joseph L. Mudd Elem. grew from 398 students in 2022-23 to 434 in 2023-24 (+9.0%). Teacher FTE added 32.5 → 36.0 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Joseph L. Mudd Elem. in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Ft. Zumwalt We
Ft. Zumwalt West High
1,643 students
- Ft. Zumwalt No
Ft. Zumwalt North High
1,538 students
- Ft. Zumwalt So
Ft. Zumwalt South High
1,212 students
- Ft. Zumwalt Ea
Ft. Zumwalt East High
1,171 students
- Ft. Zuwmalt We
Ft. Zuwmalt West Middle
1,114 students
- This school 412
Joseph L. Mudd Elem.
412 students
What this shows Joseph L. Mudd Elem. reports 412 students on the CCD universe file.
How Joseph L. Mudd Elem. compares
Joseph L. Mudd Elem. is a growing 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 | 12.9:1 | ▲ 1% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 24.9% | ▼ 46% | 46.1% | 51.7% |
| Enrollment | 412 | top 32% | - | - |
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.
412
Bigger than 49% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
24.9%
free-lunch eligible
- 46% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.9:1
students per teacher
- 1% above state mean
Top 53% in Missouri - lower ratio than 47% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.8%
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
$13,648
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 412 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 3 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 72.8%
Hispanic or Latino 11.2%
African American 6.3%
Two or More 5.6%
Asian 3.4%
Native Hawaiian / Pacific Islander 0.7%
Largest group: White at 72.8% of enrollment.
Student-body diversity index 44.9/100
Simpson diversity index - at 44.9, Joseph L. Mudd Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
District finance for Ft. Zumwalt R-Ii reports $13,648 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Joseph L. Mudd Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ft. Zumwalt West High | Larger | Lower economic need | Similar S:T ratio |
| Ft. Zumwalt North High | Larger | Lower economic need | Similar S:T ratio |
| Ft. Zumwalt South High | Larger | Lower economic need | Similar S:T ratio |
| Ft. Zumwalt East High | Larger | Similar economic need | Similar S:T ratio |
| Ft. Zuwmalt West Middle | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Joseph L. Mudd Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,538
- Students per teacher
- 14.1:1
- Resource Index
- 35/100
- Enrollment
- 1,212
- Students per teacher
- 12.9:1
- Resource Index
- 42/100
- Enrollment
- 1,171
- Students per teacher
- 13.2:1
- Resource Index
- 38/100
- Enrollment
- 1,114
- Students per teacher
- 12:1
- Resource Index
- 52/100
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 (~412 students)
Frequently asked questions about Joseph L. Mudd Elem.
How many students attend Joseph L. Mudd Elem.?
Joseph L. Mudd Elem. has 412 students enrolled. It is an elementary school in O'fallon, MO. CCD year-over-year: 398 (2022-23) → 434 (2023-24), up 36.
What is the student-teacher ratio at Joseph L. Mudd Elem.?
The student-teacher ratio at Joseph L. Mudd Elem. is 12.9:1, which is 1% higher than the Missouri average of 12.8:1 and 18% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Joseph L. Mudd Elem.?
24.9% of students at Joseph L. Mudd Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Joseph L. Mudd Elem.?
The largest demographic group at Joseph L. Mudd Elem. is White at 72.8% of enrollment, in O'fallon, MO.
What is the Resource Investment Index for Joseph L. Mudd Elem.?
Joseph L. Mudd Elem. has a Resource Investment Index of 44/100 (typical 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 Joseph L. Mudd Elem. rank among elementary schools in O'fallon?
By Resource Investment Index, Joseph L. Mudd Elem. ranks #11 of 12 elementary schools in O'fallon, 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 O'fallon on the city page.
What other schools are in Ft. Zumwalt R-Ii?
Besides Joseph L. Mudd Elem., Ft. Zumwalt R-Ii also operates Ft. Zumwalt West High (1,643 students), Ft. Zumwalt North High (1,538 students), and Ft. Zumwalt South High (1,212 students). See the Ft. Zumwalt R-Ii district page for the complete list.