Total enrollment
345
+40 (+13%) vs SY 2017-18
4 schools in Castlewood
South Dakota · Public K-12
Across Castlewood, 4 public K-12 schools serve approximately 345 students across 2 elementary, 1 middle, and 1 high.
7-year change in Castlewood
SY 2017-18 vs SY 2024-25School count
4
0 (0%) vs SY 2017-18
% White
93%
was 93%
% Hispanic
6%
was 6%
% Black
0%
was 0%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
| Name | Level | Grades | Enrollment |
|---|---|---|---|
| Castlewood Elementary - 02 | Elementary | PK-05 | 140 |
| Castlewood High School - 01 | High | 09-12 | 112 |
| Castlewood Middle School - 03 | Middle | 06-08 | 76 |
| Claremont Colony Elementary - 04 | Elementary | KG-08 | 17 |
About Castlewood
Castlewood is a compact South Dakota city in terms of public-school footprint, with 4 schools and 345 students total.
Looking at the level breakdown, the city comprises 2 elementary, 1 middle, and 1 high.
Average school size in Castlewood is around 86 students, 59% meaningfully below the South Dakota average of about 208.
Looking at the last 7 years. Across the same 7-year window, public-school enrollment expanded 13%: 305 students in SY 2017-18 versus 345 in SY 2024-25.
On this page, the community for Castlewood discusses sports rivalries, cross-district programs, and shared facilities. Anyone with firsthand knowledge of these schools is welcome to weigh in.