CLAYTON HIGH
Public
High Grades 9–12
Part of CLAYTON
#1 MARK TWAIN CIRCLE, CLAYTON, MO 63105 · (314) 854-6600
Community ratings
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Academic performance
Math proficiency82%
State average 35.3%
Reading / language arts72%
State average 45.2%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
788Students enrolled
10:1Student–teacher ratio
8%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9173
Grade 10216
Grade 11189
Grade 12210
Students
White · 59%462
Black · 15%118
Asian · 13%100
Two or more races · 9%73
Hispanic · 4%34
American Indian/Alaska Native · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
908’20
871’21
835’22
844’23
788’24
Location
#1 MARK TWAIN CIRCLE CLAYTON
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.