Excellent
#127 of 2,216 schools in MO
Top 6% in state
Clayton High
High School · CLAYTON
#1 MARK TWAIN CIRCLE, Clayton, MO 63105
Enrollment
844
Student-Teacher
11:1
Score
8.5
Grades
9th – 12th
Enrollment
844
Student-Teacher
11:1
Score
8.5
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Clayton
#4 of 6
public schools
Missouri high schools
#25 of 532
In district
#4 of 5
CLAYTON
School environment
9.9 / 10
Exceptional
About Clayton High
Clayton High is a public high school in Clayton, MO, part of the CLAYTON. The school serves approximately 844 students in grades 9th – 12th with a student-teacher ratio of 11:1. It holds a MySchoolScout rating of 8.5/10, placing it in the 94.3th percentile among MO schools — an above average rating overall.
Students demonstrate 77% proficiency in math and 74% in reading/language arts. The school scores particularly well in school environment (9.9/10). Located in a neighborhood with a median household income of $119,446, where 85% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Clayton High — Students at Clayton High score 70% proficient, which is above what's typical for similar communities (expected: 57%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
7.6%
Students qualifying for federal meal assistance
Test Scores MO EDFACTS (2021-22)
Based on 6 test records from MO state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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: 4.7/10.
How Clayton High Compares
See how Clayton High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 78% (2019) to 70% (2022). Reading/ELA proficiency has declined from 80% (2019) to 69% (2022).
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), which scores slightly higher. Another option is JUVENILE DETENTION CTR. (rated 6.6/10, 0.4 miles away), a more accessible option. Additionally, UNIVERSITY CITY SR. HIGH (rated 6.6/10, 1.4 miles away, in nearby University City), 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 | 6.6 |
| MERAMEC ELEM. Clayton | 0.5 mi | 7.9 |
| 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 | 8.8 |
| TORAH PREP SCHOOL St. Louis | 1.2 mi | 6.5 |
| BRITTANY WOODS University City | 1.4 mi | 7.1 |
| GLENRIDGE ELEM. Clayton | 1.2 mi | 8.8 |
| JACKSON PARK ELEM. University City | 1.3 mi | 8.1 |
| 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 | 6.6 |
| FLYNN PARK ELEM. University City | 1.3 mi | 4.8 |
| 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
Community Profile
The community surrounding Clayton High has a median household income of $119,446. It is a well-educated community where 85% of adults hold a bachelor's degree or higher. The median home value in the area is $735,500, with a median rent of $1,520/month. The local poverty rate of 9.4% is relatively low. Residents enjoy a short average commute of 17 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| EMIL E. HOLT SR. HIGH Wentzville, MO | 8.7 |
| ST. CHARLES WEST HIGH St. Charles, MO | 8.3 |
| ELDON HIGH Eldon, MO | 8.0 |
| Southern Boone High Ashland, MO | 7.7 |
| ST. CHARLES HIGH St. Charles, MO | 9.4 |
| HANNIBAL SR. HIGH Hannibal, MO | 7.4 |
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 is ranked #127 out of 2,216 schools in MO.
What is Clayton High's MySchoolScout rating?
Clayton High has a composite rating of 8.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Clayton High?
Based on the most recent state assessment data, Clayton High has 76.7% math proficiency and 73.7% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Clayton). Data >1 year old.
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
- Phone
- (314) 854-6600
- Data Year
- 2023–2024
Resources & Links
District
CLAYTON- District Enrollment
- 2,416
- Schools in District
- 6
- Per-Pupil Spending
- $23,526
- District Rank
- #4 of 5
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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