For the 2025-26 school year, there is 1 public high school serving 106 students in Castlewood School District 28-1. This district's average high testing ranking is 6/10, which is in the top 50% of public high schools in South Dakota.
Public High School in Castlewood School District 28-1 have an average math proficiency score of 50% (versus the South Dakota public high school average of 40%), and reading proficiency score of 50% (versus the 63% statewide average).
Public High School in Castlewood School District 28-1 have a Graduation Rate of 50%, which is less than the South Dakota average of 82%.
The school with highest graduation rate is Castlewood High School - 01, with ≥50% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.
Minority enrollment is 8% of the student body (majority Hispanic), which is less than the South Dakota public high school average of 35% (majority American Indian).
Overview
This School District
This State (SD)
# Schools
4 Schools
217 Schools
# Students
338 Students
46,971 Students
# Teachers
23 Teachers
3,330 Teachers
Student-Teacher Ratio
15:1
15:1
Student By Grade
District Rank
Castlewood School District 28-1, which is ranked within the top 50% of all 146 school districts in South Dakota (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 80% has stayed relatively flat over five school years.
Overall District Rank
#51 out of 148 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
52%
42%
Reading/Language Arts Test Scores (% Proficient)
50-54%
51%
Science Test Scores (% Proficient)
30-34%
42%
Graduation Rate
(21-22)≥80%
82%
Students by Ethnicity:
Diversity Score
0.13
0.54
% American Indian
n/a
19%
% Asian
n/a
1%
% Hispanic
5%
7%
% Black
n/a
3%
% White
93%
65%
% Hawaiian
n/a
n/a
% Two or more races
2%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $11,376 in this school district is less than the state median of $13,146. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $10,544 is less than the state median of $12,647. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$4 MM
$1,916 MM
Spending
$4 MM
$1,844 MM
Revenue / Student
$11,376
$13,146
Spending / Student
$10,544
$12,647
Best Castlewood School District 28-1 Public High Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Castlewood High School - 01
(Math: 40-59% | Reading: ≥50%)
Rank:
Rank:
5/
Bottom 50%10
310 E Harry St
Castlewood, SD 57223
(605) 793-2497
Castlewood, SD 57223
(605) 793-2497
Gr: 9-12 | 106 students Student-teacher ratio: 15:1 Minority enrollment: 8%
Recent Articles
Bullying, Name-Calling & Put-Downs: Parent Guide 2025
Practical tips for parents to address bullying, name-calling, and put-downs鈥攚ith 2025 data, policies, and expert strategies.
What Is a Magnet School? (2025 Guide)
Explore what a magnet school is, how it works, and its benefits in 2025. Clear explanation for parents, students, and educators.
Cooperative Learning in 2025: Evidence, Best Practices & Challenges
Explore cooperative learning in 2025鈥攏ew data, updated practices, expert insights for educators and families.
