Affton 101 School District, Missouri

Affton 101 School District is a unified school district in St. Louis County, Missouri, for grades K–12. About 25,816 people live in it (2020–2024 estimate). It covers 5.96 sq mi (15.4 km²) of land.

Kansas CitySt. LouisSpringfield
Affton 101 School District in Missouri
Bayless School District
Affton 101 School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
25,816 ± 1,387
Grades
K–12
Type
Unified school district
County
St. Louis County
Land area
5.96 sq mi (15.4 km²)
Median household income
$76,684 ± $3,411
Median home value
$220,200 ± $6,232
State
Missouri
Census code (GEOID)
2902910
Coordinates (central point)
38.561736, -90.327537

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in Affton 101 School District, largest first

  1. Affton (CDP)19,052 people
  2. Shrewsbury (city)6,316 people
  3. Marlborough (village)2,157 people
  4. St. George (CDP)1,458 people
  5. Lakeshire (city)1,396 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Bayless School District1.6 mi southeast
  2. Webster Groves School District2.6 mi northwest
  3. Lindbergh School District4.5 mi southwest
  4. Mehlville R-IX School District6.0 mi south
  5. St. Louis City School District6.8 mi northeast

These share a boundary with Affton 101 School District. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Affton 101 School District before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.