Serving 739 students in grades 9-12, Affton High School ranks in the bottom 50% of all schools in Missouri for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 10-14% (which is lower than the Missouri state average of 39%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Missouri state average of 43%).
The student:teacher ratio of 15:1 is higher than the Missouri state level of 12:1.
Minority enrollment is 29% of the student body (majority Black and Hispanic), which is lower than the Missouri state average of 32% (majority Black).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 739 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 29%
- Graduation Rate: 88% (Btm 50% in MO)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 55-59% (Top 20%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), MO Dept. of Education
Top Rankings
Affton High School ranks among the top 20% of public schools in Missouri for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Affton High School's student population of 739 students has declined by 5% over five school years.
The teacher population of 50 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
739 students
Gender %
Total Classroom Teachers
50 teachers
School Rankings
Affton High School ranks within the bottom 50% of all 2,084 schools in Missouri (based off of combined math and reading proficiency testing data).
The diversity score of Affton High School is 0.48, which is less than the diversity score at state average of 0.51. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1179 out of 2084 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
39%
Reading/Language Arts Test Scores (% Proficient)
55-59%
43%
Science Test Scores (% Proficient)
30-34%
38%
Student : Teacher Ratio
15:1
12:1
American Indian
n/a
n/a
Asian
5%
2%
Hispanic
7%
8%
Black
10%
15%
White
71%
68%
Hawaiian
n/a
1%
Two or more races
7%
6%
All Ethnic Groups
Graduation Rate
88%
90%
Eligible for Free Lunch
25%
42%
Eligible for Reduced Lunch
5%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MO Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Affton High School's ranking?
Affton High School is ranked #1179 out of 2,084 schools, which ranks it among the bottom 50% of public schools in Missouri.
What schools are Affton High School often compared to?
Affton High Schoolis often viewed alongside schools like Bayless Senior High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 39% MO state average), while 55-59% of students have achieved reading proficiency (compared to the 43% MO state average).
What is the graduation rate of Affton High School?
The graduation rate of Affton High School is 88%, which is lower than the Missouri state average of 90%.
How many students attend Affton High School?
739 students attend Affton High School.
What is the racial composition of the student body?
71% of Affton High School students are White, 10% of students are Black, 7% of students are Hispanic, 7% of students are Two or more races, and 5% of students are Asian.
What is the student:teacher ratio of Affton High School?
Affton High School has a student ration of 15:1, which is higher than the Missouri state average of 12:1.
What grades does Affton High School offer ?
Affton High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Affton High School part of?
Affton High School is part of Affton 101 School District.
School Reviews
1 12/13/2022
Hello. Is it me Fred? Frederick. I am called Fred also Frederick. I say school is good. Affton High School. My son goes here and says wow. He says wow. Is a good school. School is good. Affton High School. I like. Bazinga!
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