A+
Excellent
100/100

Ralph M. Captain Elem.

📚 K – 05 🏫 Elementary
📍 6345 NORTHWOOD AVE, Clayton, MO 63105
Overall
A+
100/100 · the blend of everything below
Achievement
A+
2.0 grade levels above the U.S. average · 97th percentile in Missouri
Growth
A+
Students gain 1.50 grade levels a year (U.S. average 1.0) · 95th percentile
Resources
A+
Class size, funding, school size and type

📈 Top 15% in Missouri for growth · 📚 Top 15% in Missouri for achievement

Each score is graded separately against Missouri schools. A school can be strong at moving students forward (growth) without having the highest test scores, or the reverse. How we score schools

100
Repit Score
out of 100
287
Students
enrolled
9.1:1
Student:Teacher
ratio
$25K
Per Student
spending

What Goes Into This Rating

FactorWeightScoreBasis
📚 Achievement (reading & math, grades 3–8)40%97/1002.0 grade levels above the national average, 2022–25 (Stanford SEDA)
📈 Growth (how fast students learn)45%95/100Students gain 1.50 grade levels per school year in 2022–25 (national average ≈ 1.0) and gained 1.27 in 2009–19; 97th percentile in Missouri (recent period weighted 70%)
🏫 Resources (class size, funding, size, type)15%97/100Inputs from NCES school and district data

Students served: 2% students directly certified for free meals (their families receive SNAP or similar aid). Compared with Missouri schools serving a similar share of low-income students, this school’s reading and math results are +16 points better than expected. (Context only; not part of the score.)

The overall Repit Score ranks this blend against every rated school in Missouri. Schools are compared within their state because each state sets its own tests and proficiency bar. How we rate schools

Test Scores & Graduation

📖 Reading proficiency72% (+25 pts vs. state avg 47%)
Students scoring proficient on the state test, 2018–19
➗ Math proficiency67% (+27 pts vs. state avg 40%)
Students scoring proficient on the state test, 2018–19

Source: U.S. Department of Education EDFacts via the Urban Institute Education Data Portal. Federal reporting rounds small schools to ranges; we show the midpoint. Proficiency standards differ by state, so compare schools within the same state.

How Student Groups Do Here

Share of each group of students scoring proficient on the Missouri state test (2018–19), compared with the same group of students across the state. Differences between groups are shown as reported; they reflect many factors inside and outside school.

StudentsReadingMathvs. same group statewideRank in state for this group
White77%72%reading +20 pts, math +19 pts92nd percentile (list)
Black50%50%reading +23 pts, math +28 pts93rd percentile (list)
Multiracial90%70%reading +43 pts, math +28 pts98th percentile (list)
Low-income50%35%reading +13 pts, math +2 pts68th percentile (list)

Source: U.S. Department of Education EDFacts via the Urban Institute. Groups with fewer than 20 tested students are not shown. Results are achievement (proficiency), not growth; growth by group is not published for individual schools.

School Information

Address 6345 NORTHWOOD AVE
City Clayton
ZIP Code 63105
District 2909720
NCES School ID 290972000274
Data Year 2024-25

Community Context for 63105

Understanding the community around Ralph M. Captain Elem. helps evaluate the school environment and neighborhood.

💰 Income & Economy

Median Household Income $116,345
Per Capita Income $70,550
Poverty Rate 5.6%
Households Earning $100K+ 58.8%

🎓 Education Level

Bachelor's Degree or Higher 82.2%
High School or Higher 97.2%

🏠 Housing

Median Home Value $734,100
Median Rent $1,500
Owner-Occupied 55.7%
Renter-Occupied 44.3%
View full data for ZIP 63105 →

Thinking about moving into this school’s area? See what homes and rents actually cost in ZIP 63105 — values, rent, and how it compares to nearby ZIPs. Free, no signup. See 63105 housing costs →

Student Demographics

Enrollment and demographic breakdown for Ralph M. Captain Elem..

👫 Gender Distribution

Male 50.2%
Female 49.8%

🌎 Race & Ethnicity

White 71.4%
Black 9.8%
Two or More Races 7.7%
Asian 6.3%
Hispanic/Latino 4.9%

📋 Enrollment Summary

Total Enrollment 287
Teachers (FTE) 31.5
Student:Teacher Ratio 9.1:1

Frequently Asked Questions

What is the Repit School Score for Ralph M. Captain Elem.?
Ralph M. Captain Elem. has a Repit School Score of 100 out of 100, earning a grade of A+. The score is based mainly on reading and math proficiency compared with other schools in the state, with class size and funding counting for a smaller share.
How many students attend Ralph M. Captain Elem.?
Ralph M. Captain Elem. has 287 students enrolled for the 2024-25 school year. The student-to-teacher ratio is 9.1:1.
What grades does Ralph M. Captain Elem. serve?
Ralph M. Captain Elem. serves grades K – 05 and is classified as a Elementary. This is a public school.
How much funding does Ralph M. Captain Elem. receive per student?
Ralph M. Captain Elem. receives $25,130 in per-pupil spending from its district. This is above the national average.
🏠 Rental Market Around Ralph M. Captain Elem. in 63105 ▼
Avg Home Value
$816,600
Avg Monthly Rent
$1,687
1-Year Change
+6.8%
% Renters
44.3%

Other Schools in 63105

View all schools and real estate data for 63105 →

About Repit School Scores

Parents choosing a school deserve to see what it actually delivers. Since October 2026 the Repit School Score is built mainly on results:

  • Academics (largest share) — the share of students scoring proficient in reading and math on the state test, ranked against schools of the same level in the same state.
  • Graduation (high schools) — the four-year adjusted cohort graduation rate. Only regular diplomas count; GEDs and certificates of attendance do not.
  • Resources (smaller share) — class size, per-pupil funding, school size and type.

Scores compare schools within their own state, because every state writes its own tests and sets its own proficiency bar. Full methodology

Data sources: NCES CCD 2024-25, U.S. Dept. of Education EDFacts (test results & graduation) | Last updated: October 2026