Excellent
#96 of 2,221 schools in MO
Top 4% in state
Ralph M. Captain Elem.
Elementary School · Clayton · Clayton, MO
A Clayton elementary school where students score 14 points above what's typical for similar communities.
6345 NORTHWOOD AVE, Clayton, MO 63105
- Math 76% vs MO 48% (2025)
- Reading 74% vs MO 47% (2025)
- 9.3:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Ralph M. Captain Elem. score 75% proficient, which is above what's typical for similar communities (expected: 61%).
2025 MAP proficiency
Most recent published year. School vs. MO average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 8 points since 2021, reaching 75% in 2025.
Show all 16 years
Multi-year averages used by the rating model: math 73% (multi-year average, 2009-2025) · reading/ELA 76% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 39 test records from MO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
5.6%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Ralph M. Captain Elem. sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the St. Louis map →
Getting around & local context
- Walk 56Somewhat Walkable
- Bike 74Very Bikeable
- City Safety: Elevated897/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Clayton), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$119,446
Median home value
$735,500
Median rent
$1,520/mo
College educated
84.6%
Homeownership
56.4%
Poverty rate
9.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 63105; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| The Wilson SchoolPrivate · tuition | 8.2 | PK–6 | 0.3 mi | 137 | Compare → |
| A Growing Place Montessori SchoolPrivate · tuition | Not rated | PK–K | 0.4 mi | 3 | Compare → |
| The St Michael School of ClaytonPrivate · tuition | 9.1 | PK–8 | 0.4 mi | 128 | Compare → |
| Our Lady of Lourdes SchoolPrivate · tuition | 7.5 | PK–8 | 0.5 mi | 233 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Clayton
- Schools in district
- 6
- Rank in district
- #3 of 5
- District spending per student
- $23,526NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 3.6%Census SAIPE · 2024
Ralph M. Captain Elem. is listed in CLAYTON; a district label does not verify attendance for an address.
About Ralph M. Captain Elem.
Ralph M. Captain Elem. is a public elementary school in Clayton, MO, part of Clayton, serving approximately 287 students in grades Kindergarten-5th with a 9.3:1 student-teacher ratio. It holds a MySchoolScout rating of 8.7 out of 10 and ranks #96 of 2,221 schools in MO.
State assessment records show 73% math proficiency (multi-year average, 2009-2025) and 76% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Ralph M. Captain Elem.
What grades does Ralph M. Captain Elem. serve?
Ralph M. Captain Elem. serves students in grades Kindergarten through 5th.
How many students attend Ralph M. Captain Elem.?
Ralph M. Captain Elem. has an enrollment of approximately 287 students.
What is the student-teacher ratio at Ralph M. Captain Elem.?
The student-teacher ratio at Ralph M. Captain Elem. is 9.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Ralph M. Captain Elem. rank in MO?
Ralph M. Captain Elem. ranks #96 of 2,221 schools in MO.
What is Ralph M. Captain Elem.'s MySchoolScout rating?
Ralph M. Captain Elem. has a current MySchoolScout rating of 8.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Ralph M. Captain Elem.?
Based on loaded state assessment records, Ralph M. Captain Elem. has 73% math proficiency (multi-year average, 2009-2025) and 76% reading/ELA proficiency (multi-year average, 2009-2025).
Is Ralph M. Captain Elem. a charter school?
No, Ralph M. Captain Elem. is not a charter school. It is a traditional public school operated by the local school district.
Is Ralph M. Captain Elem. a Title I school?
No, Ralph M. Captain Elem. is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Ralph M. Captain Elem.?
5.6% of students at Ralph M. Captain Elem. qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Kindergarten – 5th
- Enrollment
- 287
- Student-Teacher Ratio
- 9.3:1
- Teachers (FTE)
- 31
- Type
- regular
- Setting
- Large Suburb
- County
- St. Louis County
- Chronic Absenteeism (SY 2022-23)
- 14.6%
- Phone
- (314) 854-6100
- Area population (ZIP 63105)
- 18,860
- Area average commute
- 17.2 min
- Area median age
- 30.3
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 63105; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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