A+
Ralph M. Captain Elem.
PublicElementaryGrades K–5
6345 Northwood Ave, Clayton, MO 63105 · (314) 854-6100 · Part of Clayton School District
Students
286
Students per teacher
9:1
Free or reduced lunch
4%
Setting
Suburb
Grades
K–5
What stands out about Ralph M. Captain Elem.
- School Grade A+: near the top of Illinois’s public schools
- Math proficiency 27 pts above the state
- Reading / language arts 27 pts above the state
- Small classes: 9:1 students per teacher
- Enrollment down 11.7% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency62%
State average 35.3%
Reading / language arts72%
State average 45.2%
Location
Directions ↗
6345 Northwood Ave, Clayton
Students
Enrollment by grade
Kindergarten46
Grade 154
Grade 239
Grade 348
Grade 451
Grade 548
Enrollment over time
324’20
296’21
283’22
287’23
286’24
Down 11.7% since 2020.
Who goes here
White 74%Two or more races 9%Black 8%Asian 5%Hispanic 3%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Ralph M. Captain Elem..
Other schools in Clayton School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.