Below Average
#2007 of 2,221 schools in MO
Affton High
High School · AFFTON 101
8309 MACKENZIE RD, St. Louis, MO 63123
Enrollment
739
Student-Teacher
14.8:1
Score
4.0
Grades
9th – 12th
Enrollment
739
Student-Teacher
14.8:1
Score
4.0
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Missouri schools
#2,007 of 2,221
In St. Louis
#152 of 193
public schools
In district
#4 of 4
AFFTON 101
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Affton High
High School in St. Louis · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Mesnier Primary Sch.
0.7 mi away. Use as a geographic alternative in the same move search.
Gotsch Intermediate Sch.
0.8 mi away. Use as a geographic alternative in the same move search.
About Affton High
Affton High is a public high school in St. Louis, MO, part of AFFTON 101. Affton High serves approximately 739 students, and covers grades 9th-12th, and has a 14.8:1 student-teacher ratio.
Affton High has a current MySchoolScout rating of 4.0 out of 10 and ranks #2,007 of 2,221 schools in MO. Structured state assessment records for Affton High show 48% math proficiency (multi-year average, 2009-2025) and 74% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 4.0 · Below Average
- MO avg 6.4
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Affton High — Students at Affton High score 34% proficient, which is below what's typical for similar communities (expected: 52%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
29.9%
Students qualifying for federal meal assistance
Test Scores MO MAP (2024-25)
Based on 30 test records from MO state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 2.6/10.
How Affton High Compares
See how Affton High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
8309 MACKENZIE RD, St. Louis, MO 63123
Nearby Alternatives
Families considering Affton High may also want to explore other high schools in the area. BAYLESS SENIOR HIGH (rated 6.7/10, 1.3 miles away), which scores notably higher. Another option is COR JESU ACADEMY (rated 5.4/10, 1.4 miles away), which scores notably higher. Additionally, COMMUNITY ACCESS JOB TRAINING (rated 3.8/10, 2.2 miles away), with a very similar rating. For more schools in St. Louis, see our St. Louis schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| MESNIER PRIMARY SCH. St. Louis | 0.7 mi | 4.8 |
| GOTSCH INTERMEDIATE SCH. St. Louis | 0.8 mi | 7.2 |
| ROGERS MIDDLE St. Louis | 1.0 mi | 7.0 |
| SALEM LUTHERAN SCHOOL Affton | 1.1 mi | 7.4 |
| COR JESU ACADEMY St. Louis | 1.4 mi | 5.4 |
| BAYLESS SENIOR HIGH St. Louis | 1.3 mi | 6.7 |
| BAYLESS ELEMENTARY St. Louis | 1.4 mi | 7.8 |
| BAYLESS JUNIOR HIGH St. Louis | 1.4 mi | 7.3 |
| EDGAR ROAD ELEM. St. Louis | 1.6 mi | 8.8 |
| ST RAPHAEL THE ARCHANGEL SCHOOL St. Louis | 1.7 mi | 6.2 |
| WORD OF LIFE LUTHERAN St. Louis | 1.9 mi | 7.9 |
| WORD OF LIFE LUTHERAN SCHOOL St. Louis | 1.9 mi | 6.8 |
| ST MARK SCHOOL St. Louis | 2.0 mi | 8.2 |
| BIERBAUM ELEM. St. Louis | 2.2 mi | 6.4 |
| BUSCH MS CHARACTER ATHLETICS St. Louis | 1.9 mi | 6.7 |
| GREEN PARK LUTHERAN SCHOOL St. Louis | 2.3 mi | 5.5 |
| COMMUNITY ACCESS JOB TRAINING St. Louis | 2.2 mi | 3.8 |
| HOLY CROSS ACADEMY St. Louis | 2.4 mi | 6.1 |
| HOLY CROSS ACADEMY St. Louis | 1.9 mi | 6.4 |
| DRESSEL ELEMENTARY SCHOOL St. Louis | 2.3 mi | 7.8 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 63123 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$74,187
Median Home Value
$205,300
Median Rent
$987/mo
Population
49,826
College Educated
36%
Homeownership
74%
Avg Commute
23.7 min
Poverty Rate
7.4%
Median Age
41
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| EXCELSIOR SPRINGS HIGH Excelsior Springs, MO | 4.1 |
| MILLER CAREER ACADEMY St. Louis, MO | 4.1 |
| PACIFIC HIGH Pacific, MO | 4.1 |
| ST DOMINIC HIGH SCHOOL O'Fallon, MO | 4.1 |
| SENECA HIGH Seneca, MO | 3.9 |
| ST DOMINIC HIGH SCHOOL O'Fallon, MO | 3.9 |
Frequently Asked Questions
Common questions about Affton High
What grades does Affton High serve?
Affton High serves students in grades 9th through 12th.
How many students attend Affton High?
Affton High has an enrollment of approximately 739 students.
What is the student-teacher ratio at Affton High?
The student-teacher ratio at Affton High is 14.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Affton High rank in MO?
Affton High ranks #2,007 of 2,221 schools in MO.
What is Affton High's MySchoolScout rating?
Affton High has a current MySchoolScout rating of 4.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Affton High?
Based on loaded state assessment records, Affton High has 48% math proficiency (multi-year average, 2009-2025) and 74% reading/ELA proficiency (multi-year average, 2009-2024).
Is Affton High a charter school?
No, Affton High is not a charter school. It is a traditional public school operated by the local school district.
Is Affton High a Title I school?
No, Affton High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Affton High?
29.9% of students at Affton High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 739
- Student-Teacher Ratio
- 14.8:1
- Teachers (FTE)
- 50
- Free/Reduced Lunch
- 29.9%
- Type
- regular
- Setting
- Large Suburb
- County
- St. Louis County
- Chronic Absenteeism (SY 2022-23)
- 26.7%
- Phone
- (314) 638-6330
- 4-Year Graduation
- 92.0%
Resources & Links
District
AFFTON 101- District Enrollment
- 2,582
- Schools in District
- 4
- Per-Pupil Spending
- $12,103
- District Rank
- #4 of 4
Other Schools in This District
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