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Castlewood city, SD

ZIP 57223 — Schools & Education

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

School district, nearby K-12 schools, and universities

Schools & Education in ZIP 57223

K-12 nearby
5
Public
4
Private
1
Avg enrollment
—

ZIP 57223 (Castlewood, SD) is associated with Castlewood School District 28-1 (LEA 4611280) on US5’s NCES EDGE district mapping. District assignment is ZIP/ZCTA-based and can span multiple attendance boundaries — confirm school assignment with the district for enrollment.

Within about 10 miles, US5 lists 5 K-12 schools (4 public, 1 private). Median distance to listed schools is about 1.5 miles.

ACS estimates show about 0.2% of school-enrolled residents in this ZIP attending private school — a ZIP-level share, not a per-campus rate.

The nearest college/university on US5 is Lake Area Technical College about 14.1 miles away (2yr-public).

District & higher education
School district
Castlewood School District 28-1
LEA ID
4611280
Private school share (ACS)
0.2%

Colleges & universities (18)

  • Lake Area Technical College14.1 miles (22.6 km)2yr-public
  • South Dakota State University29.2 miles (47.0 km)4yr-public
  • Institute of Lutheran Theology29.6 miles (47.7 km)4yr-private
  • Dakota State University48.1 miles (77.5 km)4yr-public
  • Sisseton Wahpeton College59.2 miles (95.3 km)4yr-public
  • Southwest Minnesota State University64.2 miles (103.3 km)4yr-public
  • Minnesota West Community and Technical College71.6 miles (115.3 km)2yr-public
  • Southeast Technical College79.3 miles (127.7 km)2yr-public
  • California Intercontinental University81.4 miles (130.9 km)4yr-private
  • University of Minnesota-Morris81.7 miles (131.5 km)4yr-public
  • Sanford Medical Center82.0 miles (132.0 km)2yr-private
  • University of Sioux Falls82.3 miles (132.5 km)4yr-private
Show all 18 colleges & universities
  • Kairos University82.8 miles (133.2 km)4yr-private
  • Augustana University82.8 miles (133.2 km)4yr-private
  • Mitchell Technical College85.7 miles (137.9 km)2yr-public
  • Dakota Wesleyan University86.0 miles (138.4 km)4yr-private
  • Northern State University88.3 miles (142.0 km)4yr-public
  • Ridgewater College99.6 miles (160.3 km)2yr-public
K-12 schools within ~10 miles

Sorted table with type, grades, enrollment, and distance. Data from NCES CCD / EDGE extracts.

Grades
Castlewood Middle School - 03public——1.5 miles (2.4 km)
Castlewood High School - 01public——1.5 miles (2.4 km)
Castlewood Elementary - 02public——1.5 miles (2.4 km)
Claremont Colony Elementary - 04public——3.1 miles (5.1 km)
POINSETT COLONY ELEMENTARY SCHOOLprivate——7.2 miles (11.6 km)

Schools FAQ for ZIP 57223

What school district is ZIP code 57223 in?
ZIP 57223 (Castlewood, SD) maps to Castlewood School District 28-1 (LEA ID 4611280) in US5’s NCES EDGE ZCTA-to-district data. Always verify attendance zones with the district.
How many schools are near ZIP code 57223?
US5 lists 5 K-12 schools within about 10 miles — 4 public and 1 private. See the sortable table on this page for grades, enrollment, and distance.
What share of students in 57223 attend private school?
About 0.2% of school-enrolled residents in ZIP 57223 attend private school (ACS estimate).

Schools & Education key statistics

Education statistics
Education
Bachelor's or higher25.1%
High school36.8%
Less than HS2.0%
School districtCastlewood School District 28-1