Clayton High School
Public high school in Clayton, Missouri · Clayton School District · Grades 9–12
Clayton High School serves 788 students in grades 9–12 in Clayton (St. Louis County). It is one of 5 schools in Clayton School District. By enrollment it is the 118th largest of 558 public high schools in Missouri (median 268 students). With 9.9 students per full-time teacher, it has fewer students per teacher than the typical Missouri high school (12.2).
Source: NCES CCD 2024-25. Rank and medians compare all 558 Missouri high schools with enrollment listed on this site.
Source: NCES CCD 2024-25. Students per teacher = students ÷ 79.83 full-time-equivalent teachers.
School facts
| School type | Regular School |
| Level | High |
| Grades | 9–12 |
| District | Clayton School District |
| County | St. Louis County |
| Area type | Suburb, large |
| School meals | National School Lunch Program, free or reduced price for eligible students |
| NCES school ID | 290972000275 |
Source: NCES CCD 2024-25 directory and school characteristics; area type from NCES EDGE locale codes.
Compared with the district and Missouri
| This school | Clayton | Missouri high schools (median) | |
|---|---|---|---|
| Students | 788 | 2,367 | 268 |
| Students per teacher | 9.9 | 9.8 | 12.2 |
| Free or reduced-price lunch eligible | 8% | 8.3% | 46.2% |
Source: NCES CCD 2024-25. District figures add up its schools. 27% of Missouri high schools have fewer students per teacher than this school (share of schools with a lower ratio). State test results aren't published here yet.
Clayton High School in context
Size
Clayton High School is the only high school in Clayton School District. Its 788 students are 33.3% of the district's 2,367. The 8 nearest high schools are a median 2.8 miles away and have a median of 388 students, so Clayton High School is larger than most of them.
Source: NCES CCD 2024-25 enrollment and school type. Share of district students = this school's students ÷ the district's students. Nearest schools by straight-line distance between NCES EDGE locations.
Grades
Its largest grade is grade 10 with 216 students, and its smallest is grade 9 with 173, against an average of 197 per grade. This year grade 12 has 21% more students than grade 9 (210 against 173). Each grade is a different group of students, so the gap is not a dropout or growth rate.
Source: NCES CCD 2024-25 membership by grade.
Students
White students are the largest group, at 58.6% of enrollment, about the same share as across Clayton (61.3%). Black students are next, at 15%. Students from 6 of the 7 race and ethnicity groups NCES reports are enrolled.
8% of students qualify for free or reduced-price lunch, against 8.3% across Clayton and a median of 46.2% for Missouri high schools. 2.8% are directly certified for free meals, meaning their families take part in programs such as SNAP or TANF, so no application was needed. Families apply for free or reduced-price meals, and eligibility depends on household income.
Source: NCES CCD 2024-25 membership and school lunch program data. District shares weight each school by its enrollment.
Teachers
Clayton High School has 79.83 full-time-equivalent teachers, or 9.9 students per teacher. At the median Missouri high school ratio of 12.2, a school with 788 students would have about 64.6 teachers, so Clayton High School has 15.2 more.
Source: NCES CCD 2024-25. Expected teachers = this school's students ÷ the median students per teacher of Missouri high schools (12.2).
Location
NCES classifies its location as suburb, large, which means it is in an urbanized area of 250,000 people or more, outside its principal city. The nearest other high school is Juvenile Detention Center, 0.4 miles away in Specl. School Dst. St. Louis County. There are 12 high schools within 5 miles and 49 within 10 miles.
Source: NCES EDGE school locations and locale codes, 2024-25. Distances are straight lines.
Students by race and ethnicity
| White | 58.6% |
| Black | 15% |
| Asian | 12.7% |
| Two or more races | 9.3% |
| Hispanic | 4.3% |
| American Indian or Alaska Native | 0.1% |
48.7% of students are girls and 51.3% are boys.
Source: NCES CCD 2024-25 membership.
Students by grade
| Grade 9 | 173 |
| Grade 10 | 216 |
| Grade 11 | 189 |
| Grade 12 | 210 |
Source: NCES CCD 2024-25 membership.
Location and contact
#1 Mark Twain Circle, Clayton, MO 63105
Phone: (314)854-6600
Website: claytonschools.net
Locations: NCES EDGE. Map data © OpenStreetMap contributors.
Red: Clayton High School. Blue: the nearest high schools.
Nearby high schools
| School | District | Distance | Students | Per teacher | Free/reduced lunch |
|---|---|---|---|---|---|
| Juvenile Detention Center | Specl. School Dst. St. Louis County | 0.4 mi | 44 | 4.4 | 40.9% |
| University City Senior High School | University City | 1.4 mi | 874 | 14.3 | 100% |
| Brentwood High School | Brentwood | 2.0 mi | 195 | 8.6 | 25.6% |
| Maplewood-Richmond Hgts. High School | Maplewood-Richmond Heights | 2.7 mi | 439 | 13.3 | 31.7% |
| Ladue Horton Watkins High School | Ladue | 2.8 mi | 1,395 | 14.7 | 11.5% |
| Met Day Treatment Center | Division of Youth Service | 3.0 mi | 11 | 5.5 | 72.7% |
| Normandy High School | Normandy Schools Collaborative | 3.5 mi | 688 | 10.2 | 100% |
| Soldan International Studies | St. Louis City | 4.0 mi | 337 | 8.6 | 100% |
Source: NCES CCD 2024-25. Distance in a straight line between NCES EDGE locations.
Other schools in Clayton
| School | Level | Grades | Students |
|---|---|---|---|
| Glenridge Elementary School | Elementary | K–5 | 321 |
| Meramec Elementary School | Elementary | K–5 | 368 |
| Ralph M. Captain Elementary School | Elementary | K–5 | 286 |
| Wydown Middle School | Middle | 6–8 | 604 |