- Enrollment
- 788
- Students per teacher
- 9.6:1
- Resource Index
- 54/100
Elementary school (grades K-5) · Clayton, MO
Ralph M. Captain Elem.
Federal NCES profile for Ralph M. Captain Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
2024-25 NCES dataElementary school (grades K-5)NCES 290972000274
👥 S:T ratio 62
🌟 Gifted program 70
🎓 Counselors 43
📋 Attendance 75
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ralph M. Captain Elem. earns 62/100 on the Resource Investment Index, with class sizes smaller than 84% of Missouri schools.
- #1 of 3
- elementary schools in Clayton · Resource Index
- 62
- Resource Index · Higher
- 9.5:1
- small classes for Missouri
- 10.6%
- free-lunch eligible
Ralph M. Captain Elem. has class sizes smaller than 84% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Ralph M. Captain Elem. ranks #1 of 3 elementary schools in Clayton, MO.
School address
CCD year-over-year · 2022-23 → 2023-24
+4 students YoY
Ralph M. Captain Elem. held near 287 students from 2022-23 to 2023-24 (+4 headcount).
Teacher FTE added 30.5 → 31.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+4 students YoY 290972000274 · Clayton, MO Elementary · SMALL · TRAD
286 enr · 9.5:1 · 10.6% lunch · RII 62
Nearest enrollment peer: Clayton High (788 students)
Ralph M. Captain Elem. held near 287 students from 2022-23 to 2023-24 (+4 headcount). Teacher FTE added 30.5 → 31.5 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Ralph M. Captain Elem. in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Clayton High
Clayton High
788 students
- Wydown Middle
Wydown Middle
604 students
- Meramec Elem.
Meramec Elem.
368 students
- Glenridge Elem
Glenridge Elem.
321 students
- This school 286
Ralph M. Captain Elem.
286 students
What this shows Ralph M. Captain Elem. reports 286 students on the CCD universe file.
How Ralph M. Captain Elem. compares
Ralph M. Captain Elem. 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 | 9.5:1 | ▼ 26% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 10.6% | ▼ 77% | 46.1% | 51.7% |
| Enrollment | 286 | top 55% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.5:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
286
Bigger than 30% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
10.6%
free-lunch eligible
- 77% 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
9.5:1
students per teacher
- 26% below state mean
Top 16% in Missouri - lower ratio than 84% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
10.1%
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
$23,526
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
Counselors1.0 FTE
Per 286 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 74.5%
Two or More 9.1%
African American 8.0%
Asian 5.2%
Hispanic or Latino 3.1%
Largest group: White at 74.5% of enrollment.
Student-body diversity index 42.7/100
Simpson diversity index - at 42.7, Ralph M. Captain Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
District finance for Clayton reports $23,526 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Ralph M. Captain Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Clayton High | Larger | Similar economic need | Similar S:T ratio |
| Wydown Middle | Larger | Similar economic need | Similar S:T ratio |
| Meramec Elem. | Larger | Similar economic need | Higher S:T ratio |
| Glenridge Elem. | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Ralph M. Captain Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 604
- Students per teacher
- 10.1:1
- Resource Index
- 61/100
- Enrollment
- 368
- Students per teacher
- 11.9:1
- Resource Index
- 59/100
- Enrollment
- 321
- Students per teacher
- 10.7:1
- Resource Index
- 56/100
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 (~286 students)
Frequently asked questions about Ralph M. Captain Elem.
How many students attend Ralph M. Captain Elem.?
Ralph M. Captain Elem. has 286 students enrolled. It is an elementary school in Clayton, MO. CCD year-over-year: 283 (2022-23) → 287 (2023-24), nearly flat (+4).
What is the student-teacher ratio at Ralph M. Captain Elem.?
The student-teacher ratio at Ralph M. Captain Elem. is 9.5:1, which is 26% lower than the Missouri average of 12.8:1 and 39% 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 Ralph M. Captain Elem.?
10.6% of students at Ralph M. Captain Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Ralph M. Captain Elem.?
The largest demographic group at Ralph M. Captain Elem. is White at 74.5% of enrollment, in Clayton, MO.
What is the Resource Investment Index for Ralph M. Captain Elem.?
Ralph M. Captain Elem. has a Resource Investment Index of 62/100 (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 Ralph M. Captain Elem. rank among elementary schools in Clayton?
By Resource Investment Index, Ralph M. Captain Elem. ranks #1 of 3 elementary schools in Clayton, 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 Clayton on the city page.
What other schools are in Clayton?
Besides Ralph M. Captain Elem., Clayton also operates Clayton High (788 students), Wydown Middle (604 students), and Meramec Elem. (368 students). See the Clayton district page for the complete list.