Needs Improvement
#2122 of 2,216 schools in MO
Affton High
High School · AFFTON 101
8309 MACKENZIE RD, St. Louis, MO 63123
Enrollment
739
Student-Teacher
14.8:1
Score
3.7
Grades
9th – 12th
Enrollment
739
Student-Teacher
14.8:1
Score
3.7
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In St. Louis
#138 of 147
public schools
Missouri high schools
#517 of 532
In district
#4 of 4
AFFTON 101
About Affton High
AFFTON HIGH is a regular public high school located in the large suburban area of St. Louis, Missouri. Serving students from ninth through twelfth grade, the school has an enrollment of 739 students and maintains a student-teacher ratio of 14.8:1 with 50 full-time equivalent teachers.
AFFTON HIGH's academic performance is noted in the lower half of Missouri schools, with a MySchoolScout rating of 3.8 out of 10 and a state ranking of #1832 out of 2234 schools (18th percentile). The school's proficiency rates show that 62% of students are proficient or above in ELA/Reading, while only 22% reach the same mark in Math. These scores indicate areas where AFFTON HIGH is focusing on student development and academic growth.
AFFTON HIGH sits in a suburban setting, providing students with a blend of urban amenities and the comfort of residential living.
Score Breakdown
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Affton High — Students at Affton High score 34% proficient, which is below what's typical for similar communities (expected: 49%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
29.9%
Students qualifying for federal meal assistance
Test Scores MO EDFACTS (2021-22)
Based on 6 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: 1.7/10.
How Affton High Compares
See how Affton High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 47% (2019) to 12% (2022). Reading/ELA proficiency has declined from 67% (2019) to 57% (2022).
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. COMMUNITY ACCESS JOB TRAINING (rated 7.9/10, 2.2 miles away), which scores notably higher. Another option is BAYLESS SENIOR HIGH (rated 6.4/10, 1.3 miles away), which scores notably higher. Additionally, COR JESU ACADEMY (rated 5.4/10, 1.4 miles away), which scores notably higher. 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 | 4.5 |
| GOTSCH INTERMEDIATE SCH. St. Louis | 0.8 mi | 5.1 |
| ROGERS MIDDLE St. Louis | 1.0 mi | 4.4 |
| 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 | 6.4 |
| BAYLESS ELEMENTARY St. Louis | 1.4 mi | 5.9 |
| BAYLESS JUNIOR HIGH St. Louis | 1.4 mi | 6.2 |
| EDGAR ROAD ELEM. St. Louis | 1.6 mi | 8.9 |
| 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 | 5.2 |
| 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 | 7.9 |
| 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 | 4.7 |
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
Community Profile
The community surrounding Affton High has a median household income of $74,187. It is an area where 36% of adults hold a bachelor's degree or higher. The median home value in the area is $205,300, with a median rent of $987/month. The local poverty rate of 7.4% is relatively low. The average commute for residents is 24 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| MARSHALL SR. HIGH Marshall, MO | 3.7 |
| WARRENSBURG HIGH Warrensburg, MO | 3.8 |
| AURORA HIGH Aurora, MO | 3.6 |
| RICHMOND HIGH Richmond, MO | 3.6 |
| ST DOMINIC HIGH SCHOOL O'Fallon, MO | 3.9 |
| HARRISONVILLE HIGH Harrisonville, MO | 3.5 |
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 is ranked #2122 out of 2,216 schools in MO.
What is Affton High's MySchoolScout rating?
Affton High has a composite rating of 3.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Affton High?
Based on the most recent state assessment data, Affton High has 22.2% math proficiency and 62.0% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
- City Safety
- High (7,108/100K)
FBI UCR 2024. City-level (St. Louis). Data >1 year old.
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
- Phone
- (314) 638-6330
- Data Year
- 2023–2024
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
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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