Excellent
#31 of 2,221 schools in MO
Top 1% in state
Clayton High
High School · CLAYTON
#1 MARK TWAIN CIRCLE, Clayton, MO 63105
Enrollment
844
Student-Teacher
11:1
Score
9.1
Grades
9th – 12th
Enrollment
844
Student-Teacher
11:1
Score
9.1
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Missouri schools
#31 of 2,221
In Clayton
#1 of 6
public schools
In district
#1 of 5
CLAYTON
Academic growth
9.9 / 10
Excellent
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Clayton High
High School in Clayton · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Juvenile Detention Ctr.
0.4 mi away. Use as a geographic alternative in the same move search.
Meramec Elem.
0.5 mi away. Use as a geographic alternative in the same move search.
About Clayton High
Clayton High is a public high school in Clayton, MO, part of CLAYTON. Clayton High serves approximately 844 students, and covers grades 9th-12th, and has a 11:1 student-teacher ratio. Clayton High has a current MySchoolScout rating of 9.1 out of 10 and ranks #31 of 2,221 schools in MO.
Structured state assessment records for Clayton High show 74% math proficiency (multi-year average, 2009-2025) and 81% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 9.1 · Excellent
- MO avg 6.4
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Clayton High — Students at Clayton High score 81% proficient, which is above what's typical for similar communities (expected: 60%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
7.6%
Students qualifying for federal meal assistance
Test Scores MO MAP (2024-25)
Based on 31 test records from MO state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.9/10.
How Clayton High Compares
See how Clayton High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
#1 MARK TWAIN CIRCLE, Clayton, MO 63105
Nearby Alternatives
Families considering Clayton High may also want to explore other high schools in the area. LOGOS SCHOOL (rated 9.0/10, 1.6 miles away, in nearby Olivette), with a very similar rating. Another option is UNIVERSITY CITY SR. HIGH (rated 6.8/10, 1.4 miles away, in nearby University City), a more accessible option. Additionally, JUVENILE DETENTION CTR. (rated 5.5/10, 0.4 miles away), a more accessible option. For more schools in Clayton, see our Clayton schools guide .
Nearby Schools
20 within 1.7 mi| School | Distance | Rating |
|---|---|---|
| JUVENILE DETENTION CTR. Clayton | 0.4 mi | 5.5 |
| MERAMEC ELEM. Clayton | 0.5 mi | 8.9 |
| IMMACOLATA SCHOOL St. Louis | 0.8 mi | 6.8 |
| TORAH PREP SCHOOL - BOYS DIVISION St. Louis | 0.9 mi | 6.7 |
| ESTHER MILLER BAIS YAAKOV St. Louis | 0.9 mi | — |
| COMMUNITY SCHOOL St. Louis | 0.9 mi | 8.1 |
| REED ELEMENTARY St. Louis | 0.9 mi | 9.0 |
| TORAH PREP SCHOOL St. Louis | 1.2 mi | 6.5 |
| BRITTANY WOODS University City | 1.4 mi | 3.8 |
| GLENRIDGE ELEM. Clayton | 1.2 mi | 6.3 |
| JACKSON PARK ELEM. University City | 1.3 mi | 5.3 |
| H F EPSTEIN HEBREW ACADEMY St. Louis | 1.5 mi | 7.0 |
| H.F. EPSTEIN HEBREW ACADEMY St. Louis | 1.5 mi | 7.0 |
| UNIVERSITY CITY SR. HIGH University City | 1.4 mi | 6.8 |
| FLYNN PARK ELEM. University City | 1.3 mi | 7.6 |
| CHRIST THE KING CATHOLIC SCHOOL St. Louis | 1.5 mi | 7.1 |
| LOGOS SCHOOL Olivette | 1.6 mi | 9.0 |
| OUR LADY OF LOURDES SCHOOL Clayton | 1.4 mi | 7.5 |
| AGAPE ACADEMY & CHILD DEVELOPMENT CENTER St. Louis | 1.7 mi | 4.6 |
| LITTLE FLOWER CATHOLIC SCHOOL St. Louis | 1.7 mi | 6.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 63105 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$119,446
Median Home Value
$735,500
Median Rent
$1,520/mo
Population
18,860
College Educated
84.6%
Homeownership
56.4%
Avg Commute
17.2 min
Poverty Rate
9.4%
Median Age
30.3
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| LINCOLN COLLEGE PREP. Kansas City, MO | 9.0 |
| ST. JAMES HIGH St. James, MO | 8.8 |
| MCKINLEY CLASS. LEADERSHIP AC. St. Louis, MO | 8.4 |
| ST. CHARLES WEST HIGH St. Charles, MO | 8.3 |
| BUFFALO HIGH Buffalo, MO | 8.2 |
| LOGAN-ROGERSVILLE HIGH Rogersville, MO | 7.8 |
Frequently Asked Questions
Common questions about Clayton High
What grades does Clayton High serve?
Clayton High serves students in grades 9th through 12th.
How many students attend Clayton High?
Clayton High has an enrollment of approximately 844 students.
What is the student-teacher ratio at Clayton High?
The student-teacher ratio at Clayton High is 11:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Clayton High rank in MO?
Clayton High ranks #31 of 2,221 schools in MO.
What is Clayton High's MySchoolScout rating?
Clayton High has a current MySchoolScout rating of 9.1 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 Clayton High?
Based on loaded state assessment records, Clayton High has 74% math proficiency (multi-year average, 2009-2025) and 81% reading/ELA proficiency (multi-year average, 2009-2025).
Is Clayton High a charter school?
No, Clayton High is not a charter school. It is a traditional public school operated by the local school district.
Is Clayton High a Title I school?
No, Clayton High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Clayton High?
7.6% of students at Clayton High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 844
- Student-Teacher Ratio
- 11:1
- Teachers (FTE)
- 77
- Free/Reduced Lunch
- 7.6%
- Type
- regular
- Setting
- Large Suburb
- County
- St. Louis County
- Chronic Absenteeism (SY 2022-23)
- 17.4%
- Phone
- (314) 854-6600
- 4-Year Graduation
- 99%+
Resources & Links
District
CLAYTON- District Enrollment
- 2,416
- Schools in District
- 6
- Per-Pupil Spending
- $23,526
- District Rank
- #1 of 5
Other Schools in This District
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