Very Good
#98 of 574 schools in SD
Top 17% in state
Castlewood High School - 01
High School · Castlewood School District 28-1
310 E Harry St, Castlewood, SD 57223
Enrollment
106
Student-Teacher
15.1:1
Score
7.8
Grades
9th – 12th
Enrollment
106
Student-Teacher
15.1:1
Score
7.8
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Castlewood
#1 of 3
public schools
South Dakota high schools
#24 of 156
In district
#1 of 3
Castlewood School District 28-1
Academic growth
9.8 / 10
Exceptional
About Castlewood High School - 01
Castlewood High School - 01 serves 106 students in grades 9-12 in the small community of Castlewood, South Dakota. This public high school demonstrates exceptional academic performance, ranking 55th out of 586 schools statewide and placing in the 91st percentile with a strong MySchoolScout rating of 7.8 out of 10. The school's academic excellence is evident in its test scores, with 75% of students achieving proficient or above levels in both English Language Arts and Mathematics.
With just 7 full-time equivalent teachers, Castlewood High maintains an intimate learning environment with a student-teacher ratio of 15.1 to 1, allowing for personalized attention and strong student-educator relationships. The school serves a stable rural community where the median household income of $83,295 exceeds national averages, and the poverty rate remains remarkably low at just 3.2%. While 23% of local residents hold bachelor's degrees or higher, the community's median home value of $205,600 reflects a solid, established area.
Castlewood High School operates in Hamlin County's remote rural setting, where the ZIP code population of 1,317 creates a close-knit community atmosphere that often characterizes successful small-town schools in South Dakota's agricultural regions.
What Parents Should Know
With an enrollment of 106 students, Castlewood High School - 01 is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
Located in a rural area, Castlewood High School - 01 may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Castlewood High School - 01 — Students at Castlewood High School - 01 score 75% proficient, which is above what's typical for similar communities (expected: 53%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
13.2%
Students qualifying for federal meal assistance
Test Scores SD EDFACTS (2021-22)
Based on 6 test records from SD state assessments. About our data
Proficiency Trend
↑ ImprovingAverage 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: 9.8/10.
How Castlewood High School - 01 Compares
See how Castlewood High School - 01 performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 30% (2019) to 75% (2022). Reading/ELA proficiency has improved from 69.5% (2019) to 75% (2022).
Location
310 E Harry St, Castlewood, SD 57223
Nearby Alternatives
Families considering Castlewood High School - 01 may also want to explore other high schools in the area. GREAT PLAINS LUTHERAN HIGH SCHOOL (rated 7.2/10, 13.7 miles away, in nearby Watertown), with a comparable rating. Another option is Estelline High School - 01 (rated 4.8/10, 12.2 miles away, in nearby Estelline), a more accessible option. Additionally, Watertown High School - 01 (rated 4.2/10, 12.7 miles away, in nearby Watertown), a more accessible option. For more schools in Castlewood, see our Castlewood schools guide .
Nearby Schools
20 within 13.8 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 57223 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$88,571
Median Home Value
$229,500
Median Rent
$1,096/mo
Population
1,367
College Educated
25.1%
Homeownership
88.3%
Poverty Rate
2.2%
Median Age
36.9
Community Profile
The community surrounding Castlewood High School - 01 has a median household income of $88,571. It is an area where 25% of adults hold a bachelor's degree or higher. The median home value in the area is $229,500, with a median rent of $1,096/month. The local poverty rate of 2.2% is relatively low. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Ethan High School - 01 Ethan, SD | 7.8 |
| Frederick High School - 01 Frederick, SD | 7.8 |
| Plankinton High School - 01 Plankinton, SD | 7.8 |
| Philip High School - 01 Philip, SD | 7.7 |
| Ipswich High School - 01 Ipswich, SD | 7.9 |
| Burke High School - 01 Burke, SD | 8.0 |
Frequently Asked Questions
Common questions about Castlewood High School - 01
What grades does Castlewood High School - 01 serve?
Castlewood High School - 01 serves students in grades 9th through 12th.
How many students attend Castlewood High School - 01?
Castlewood High School - 01 has an enrollment of approximately 106 students.
What is the student-teacher ratio at Castlewood High School - 01?
The student-teacher ratio at Castlewood High School - 01 is 15.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Castlewood High School - 01 rank in SD?
Castlewood High School - 01 is ranked #98 out of 574 schools in SD.
What is Castlewood High School - 01's MySchoolScout rating?
Castlewood High School - 01 has a composite rating of 7.8 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 Castlewood High School - 01?
Based on the most recent state assessment data, Castlewood High School - 01 has 51.5% math proficiency and 71.3% reading/ELA proficiency.
Is Castlewood High School - 01 a charter school?
No, Castlewood High School - 01 is not a charter school. It is a traditional public school operated by the local school district.
Is Castlewood High School - 01 a Title I school?
No, Castlewood High School - 01 is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Castlewood High School - 01?
13.2% of students at Castlewood High School - 01 qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 106
- Student-Teacher Ratio
- 15.1:1
- Teachers (FTE)
- 7
- Free/Reduced Lunch
- 13.2%
- Type
- regular
- Setting
- Remote Rural
- County
- Hamlin County
- Phone
- (605) 793-2497
- Data Year
- 2023–2024
Resources & Links
District
Castlewood School District 28-1- District Enrollment
- 338
- Schools in District
- 4
- Per-Pupil Spending
- $10,964
- District Rank
- #1 of 3
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.
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