- Enrollment
- 604
- Students per teacher
- 10.1:1
- Resource Index
- 61/100
High school (grades 9-12) · Clayton, MO
Clayton High
Federal NCES profile for Clayton High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 290972000275
👥 S:T ratio 62
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clayton High earns 54/100 on the Resource Investment Index, with class sizes smaller than 84% of Missouri schools. It is also more racially and ethnically mixed than most Missouri schools.
- #5 of 6
- public schools in Clayton · Resource Index
- 54
- Resource Index · Higher
- 9.6:1
- small classes for Missouri
- 7.7%
- free-lunch eligible
Clayton High has class sizes smaller than 84% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Clayton High ranks #5 of 6 public schools in Clayton, MO.
School address
CCD year-over-year · 2022-23 → 2023-24
+9 students YoY
Clayton High held near 844 students from 2022-23 to 2023-24 (+9 headcount).
Teacher FTE lost 82.6 → 77.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+9 students YoY 290972000275 · Clayton, MO High · MID · TRAD
788 enr · 9.6:1 · 7.7% lunch · RII 54
Nearest enrollment peer: Wydown Middle (604 students)
Clayton High held near 844 students from 2022-23 to 2023-24 (+9 headcount). Teacher FTE lost 82.6 → 77.7 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Clayton High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Clayton High
788 students
- Wydown Middle
Wydown Middle
604 students
- Meramec Elem.
Meramec Elem.
368 students
- Glenridge Elem
Glenridge Elem.
321 students
- Ralph M. Capta 286
Ralph M. Captain Elem.
286 students
What this shows Clayton High reports 788 students on the CCD universe file.
How Clayton High compares
Clayton High held steady on CCD headcount: ratios and free-lunch share vs Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.6:1 | ▼ 25% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 7.7% | ▼ 83% | 46.1% | 51.7% |
| Enrollment | 788 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.6:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
788
Bigger than 85% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
7.7%
free-lunch eligible
- 83% below the Missouri average of 46.1%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
9.6:1
students per teacher
- 25% below state mean
Top 16% in Missouri - lower ratio than 84% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$23,526
per pupil, district-wide
- above Missouri avg of $14,087
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 158 students, the combined health-and-guidance staffing load for this school.
Discipline context
82
in-school suspensions + 24 out-of-school
Suspension rate: 10.4 per 100 students. Combined in-school and out-of-school rate: 13.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 58.6%
African American 15.0%
Asian 12.7%
Two or More 9.3%
Hispanic or Latino 4.3%
American Indian / Alaska Native 0.1%
Largest group: White at 58.6% of enrollment.
Student-body diversity index 60.7/100
Simpson diversity index - at 60.7, Clayton High is more mixed than the Missouri school average of 31.0.
Programs
AP courses offered 25
District finance for Clayton reports $23,526 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Clayton High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wydown Middle | Similar size | Similar economic need | Similar S:T ratio |
| Meramec Elem. | Smaller | Similar economic need | Higher S:T ratio |
| Glenridge Elem. | Smaller | Similar economic need | Similar S:T ratio |
| Ralph M. Captain Elem. | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Clayton High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 368
- Students per teacher
- 11.9:1
- Resource Index
- 59/100
- Enrollment
- 321
- Students per teacher
- 10.7:1
- Resource Index
- 56/100
- Enrollment
- 286
- Students per teacher
- 9.5:1
- Resource Index
- 62/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~788 students)
Frequently asked questions about Clayton High
How many students attend Clayton High?
Clayton High has 788 students enrolled. It is a high school in Clayton, MO. CCD year-over-year: 835 (2022-23) → 844 (2023-24), nearly flat (+9).
What is the student-teacher ratio at Clayton High?
The student-teacher ratio at Clayton High is 9.6:1, which is 25% lower than the Missouri average of 12.8:1 and 39% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Clayton High?
7.7% of students at Clayton High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Clayton High?
The largest demographic group at Clayton High is White at 58.6% of enrollment, in Clayton, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.7/100.
What is the Resource Investment Index for Clayton High?
Clayton High has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Clayton High rank among public schools in Clayton?
By Resource Investment Index, Clayton High ranks #5 of 6 public schools in Clayton, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Clayton on the city page.
What other schools are in Clayton?
Besides Clayton High, Clayton also operates Wydown Middle (604 students), Meramec Elem. (368 students), and Glenridge Elem. (321 students). See the Clayton district page for the complete list.