Lutheran High School South
Private · Grades 9–12 · 550 students
Affton High
8309 Mackenzie Rd, St Louis, MO 63123
Grades
9–12
High
Students
761
Enrolled 2024–25
Students per teacher
14.8 : 1
Full-time teachers
District
Affton 101
St. Louis County
Schola Grade D · Below average
Letter grade (A–F) · compared with 519 Missouri high schools · How we grade
Percentiles compare this school with other Missouri high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Affton High
Affton High is a public high school in St Louis, Missouri, serving grades 9–12. It is part of Affton 101. The school is located in a large suburb in St. Louis County.
In the 2024–25 school year, 761 students were enrolled, with about 14.8 students for every full-time teacher. That ratio is larger than the typical Missouri high school (11.9 students per teacher). Its Schola Grade is D (below average), compared with 519 Missouri high schools.
Grades & enrollment
Students per grade, 2024–25Grades 9–12
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 761 students
- Students per teacher
- 14.8 to 1
- AP courses offered
- 26
- Charter school
- No
- Magnet school
- No
- Locale
- Suburb — Large
- School district
- Affton 101
- County
- St. Louis County
- NCES school ID
- 290291000009
Schools near Affton High
All 202 schools in St Louis →
Bayless Senior High
Public · Grades 9–12 · 562 students
Cor Jesu Academy
Private · Grades 9–12 · 519 students
Community Access Job Training
Public · Grades 8–12 · 85 students
Webster Groves High
Public · Grades 9–12 · 1,253 students
Southview High
Public · Grades 9–12 · 66 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.