Enrollment
112
High
DISTRICT 86 · STATE 225
SCHOOL COMMUNITY·CASTLEWOOD SCHOOL DISTRICT 28-1·NCES 461128000114
Castlewood High School - 01
310 E Harry St, Castlewood, SD 57223 · (605) 793-2497 · Hamlin County
GRADES 09–12HIGH43-RURALREGULAR SCHOOL112 STUDENTS
·
allk12 Grade
Not graded
This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work
Student : Teacher
16.3:1
7 FTE teachers
DISTRICT 16.1:1 · STATE 20.6:1
Free / Reduced Lunch
14%
16 students
DISTRICT 20% · STATE 42%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 30 | 27% |
| Grade 10 | 29 | 26% |
| Grade 11 | 31 | 28% |
| Grade 12 | 22 | 20% |
Student demographics
17%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 14% · STATE 53% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Based on grade levels within Castlewood School District 28-1. Attendance zones can vary; confirm enrollment with the district.
Schools most like Castlewood High School - 01
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Castlewood High School - 01 this school | 112 | 14.3% | N/A |
| Miller High School - 01 Miller | 141 | 11.3% | N/A |
| Parker High School - 01 Parker | 141 | 15.6% | N/A |
| Warner High School - 01 Warner | 85 | 9.4% | N/A |
| Gettysburg High School - 01 Gettysburg | 72 | 15.3% | N/A |
| Gayville-Volin High School - 01 Gayville | 95 | 18.9% | N/A |
Matched among South Dakota high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Castlewood High School - 01 ranks
Among high schools| Measure | This school | In South Dakota |
|---|---|---|
| Enrollment ranked largest first | 112 | #68 of 173 |
| Free and reduced lunch ranked highest share first | 14.3% | #68 of 80 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
112
+26 (+30%) vs 2020
+23% since 1990-91, when it was 91
Student : Teacher
16.3:1
was 17.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 112 | 6.9 | 16.3:1 | 14% (16) |
| 2023-24 | 106 | 7.2 | 14.7:1 | 13% (14) |
| 2022-23 | 91 | 7 | 12.9:1 | 10% (9) |
| 2020-21 | 86 | 5 | 17.2:1 | 16% (14) |
| 2017-18 | 83 | 6.2 | 13.4:1 | 24% (20) |
| 2015-16 | 75 | 4 | 18.8:1 | 21% (16) |
| 2010-11 | 82 | 5 | 16.4:1 | 20% (16) |
| 2000-01 | 119 | 8 | 14.9:1 | 20% (24) |
| 1990-91 | 91 | 11 | 8.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Castlewood High School - 01.
Since 2017-18: students up 35% (83 to 112); teachers up 12% (6.2 to 6.9).
About Castlewood High School - 01
Castlewood High School - 01 is a small high school in Castlewood, South Dakota, (ZIP code 57223). The school's enrollment of 112 students covers grades 9 through 12. Statewide, high schools in South Dakota average about 225 students each.
Castlewood School District 28-1 enrolls 345 students, and its 4 schools include Castlewood High School - 01.
White students make up 91% of enrollment at Castlewood High School - 01. The remaining shares are 6% Hispanic and 3% multiracial. The White share in Hamlin County as a whole is similar, at about 92%. Castlewood High School - 01's diversity index is 17%, against a US figure of 70%.
The school reported 6.9 full-time-equivalent teachers in 2024-25 and a ratio of 16.3:1. That is 4.3 students per teacher below the 20.6:1 average for high schools in South Dakota. Free or reduced-price lunch eligibility is 14%. The 29% average for public schools in Hamlin County is 15 points higher.
Recent Census Bureau figures for Hamlin County show that the median household income is $87,101, 25% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. Castlewood High School - 01 is one of 10 public schools in the county.
Of nearby public schools, Castlewood Middle School - 03 is the closest, at less than a tenth of a mile. Castlewood High School - 01 has 3 other public schools within five miles.
Its NCES locale code is Rural: Remote: the school is in rural territory far from an urban area.
Enrollment is up 30% from 2020-21, when Castlewood High School - 01 had 86 students, to 2024-25, when it had 112.
Threads on this page can be about sports tryouts, band and choir, and theater. Anyone with firsthand experience at this school can post or comment.
Hamlin County at a glance
View full county profilePopulation
6,373
Census ACS
Median income
$87,101
Household, ACS
Bachelor's+
25%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
10
1,533 students
Quick facts
Related schools
Other schools in Castlewood School District 28-1
- Castlewood Elementary - 02Elementary · 140 students
- Castlewood Middle School - 03Middle · 76 students
- Claremont Colony Elementary - 04Elementary · 17 students
Other schools in Castlewood
- Castlewood Elementary - 02Elementary · 140 students
- Castlewood Middle School - 03Middle · 76 students
- Claremont Colony Elementary - 04Elementary · 17 students
Other Castlewood High schools
One other US public school is named Castlewood High. Castlewood High School - 01 is the 2nd largest of the 2.
- Castlewood HighCastlewood, VA · 285 students
Nearby schools
- Castlewood Middle School - 030.0 mi · 76
- Castlewood Elementary - 020.0 mi · 140
- Claremont Colony Elementary - 043.9 mi · 17
- Estelline Elementary - 0212.1 mi · 149
- Estelline Middle School - 0312.2 mi · 60
- Estelline High School - 0112.2 mi · 83
Frequently asked questions
About Castlewood High School - 01What is the total enrollment at Castlewood High School - 01?
Castlewood High School - 01 enrolls approximately 112 students in grades 09-12.
What age range does Castlewood High School - 01 serve?
Castlewood High School - 01 serves students from grade 09 through grade 12.
What is the student-teacher ratio at Castlewood High School - 01?
The student-to-teacher ratio at Castlewood High School - 01 is approximately 16.3:1 (7 FTE teachers).
What is the racial breakdown of students at Castlewood High School - 01?
At Castlewood High School - 01, the student body is approximately 91% White, 6% Hispanic, 3% Two or more.
Is Castlewood High School - 01 public or private?
Castlewood High School - 01 is a public K-12 school, overseen by Castlewood School District 28-1.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.