School Overview
Clayton High School, located in the heart of Clayton, Missouri, is widely recognized as one of the premier public secondary institutions in the state. Serving the affluent, inner-ring suburb of St. Louis, the school is known for its rigorous academic curriculum, which emphasizes critical thinking, inquiry-based learning, and a broad array of Advanced Placement (AP) and honors-level courses. Its proximity to the city of St. Louis allows the school to leverage partnerships with local universities, museums, and cultural institutions, further enriching the educational experience for its diverse student body.

Beyond academics, Clayton High School fosters a robust culture of extracurricular involvement, offering a wide range of athletic teams, competitive arts programs, and student-led organizations. The school places a strong emphasis on global citizenship and social responsibility, encouraging students to participate in community service and international exchange programs. With a mission focused on fostering a supportive and inclusive environment, Clayton High consistently earns top state and national rankings, preparing its graduates for success at competitive universities and diverse career paths.
788
Total Students
79.8
Full-Time Teachers
9.9
Student/Teacher Ratio
8.0%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for CLAYTON HIGH
Demographic Student Count
White462
Hispanic34
Black118
Asian100
Two or More73
American Indian1
  • White
    462 (58.6%)
  • Black
    118 (15.0%)
  • Asian
    100 (12.7%)
  • Two or More
    73 (9.3%)
  • Hispanic
    34 (4.3%)
  • American Indian
    1 (0.1%)
School Location
School Details
Status: Open
School Level: High School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: No virtual instruction
Shared Time Status: No
District: CLAYTON
Phone: (314)854-6600
Website: http://www.claytonschools.net/CHS
Grade Range: 9th - 12th
Total Students: 788
Full-Time Teachers (FTE): 79.8
Pupil/Teacher Ratio: 9.9
NSLP Participation:1 Yes participating without using any Provision or the CEO
Qualified Free Lunch: 58
Qualified Reduced Lunch: 5
Grades Taught
Grade 9 173
Grade 10 216
Grade 11 189
Grade 12 210

Grades Taught Data Table

Grades Taught and Student Counts for CLAYTON HIGH
Grade Student Count
Grade 9173
Grade 10216
Grade 11189
Grade 12210
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for CLAYTON HIGH
Gender Student Count Percentage
Female38448.7%
Male40451.3%
Nearby High Schools (Within 10 Miles)