Serving 106 students in grades 9-12, Castlewood High School - 01 ranks in the top 30% of all schools in South Dakota for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is ≥50% (which is higher than the South Dakota state average of 42%). The percentage of students achieving proficiency in reading/language arts is ≥50% (which is lower than the South Dakota state average of 51%).
The student:teacher ratio of 15:1 is higher than the South Dakota state level of 12:1.
Minority enrollment is 8% of the student body (majority Hispanic), which is lower than the South Dakota state average of 33% (majority American Indian).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 106 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 8%
- Graduation Rate: ≥80% (Top 30% in SD)
- Overall Testing Rank: Top 30%
- Math Proficiency: ≥50% (Top 30%)
- Reading Proficiency: ≥50% (Top 50%)
- Science Proficiency: ≥50% (Top 20%)
- Source: National Center for Education Statistics (NCES), SD Dept. of Education
Top Rankings
Castlewood High School - 01 ranks among the top 20% of public schools in South Dakota for:
Category
Attribute
Science Proficiency
School Overview
Castlewood High School - 01's student population of 106 students has grown by 29% over five school years.
The teacher population of 7 teachers has grown by 16% over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
106 students
Gender %
Total Classroom Teachers
7 teachers
Students by Grade
School Rankings
Castlewood High School - 01 ranks within the top 30% of all 636 schools in South Dakota (based off of combined math and reading proficiency testing data).
The diversity score of Castlewood High School - 01 is 0.15, which is less than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#186 out of 636 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
≥50%
42%
Reading/Language Arts Test Scores (% Proficient)
≥50%
51%
Science Test Scores (% Proficient)
≥50%
42%
Student : Teacher Ratio
15:1
12:1
American Indian
n/a
14%
Asian
n/a
2%
Hispanic
6%
8%
Black
n/a
3%
White
92%
67%
Hawaiian
n/a
n/a
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
≥80%
82%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
9%
31%
Eligible for Reduced Lunch
4%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), SD Dept. of Education
Frequently Asked Questions
What is Castlewood High School - 01's ranking?
Castlewood High School - 01 is ranked #186 out of 636 schools, which ranks it among the top 30% of public schools in South Dakota.
What percent of students have achieved state testing proficiency in math and reading?
≥50% of students have achieved math proficiency (compared to the 42% SD state average), while ≥50% of students have achieved reading proficiency (compared to the 51% SD state average).
What is the graduation rate of Castlewood High School - 01?
The graduation rate of Castlewood High School - 01 is 80%, which is lower than the South Dakota state average of 82%.
How many students attend Castlewood High School - 01?
106 students attend Castlewood High School - 01.
What is the racial composition of the student body?
92% of Castlewood High School - 01 students are White, 6% of students are Hispanic, and 2% of students are Two or more races.
What is the student:teacher ratio of Castlewood High School - 01?
Castlewood High School - 01 has a student ration of 15:1, which is higher than the South Dakota state average of 12:1.
What grades does Castlewood High School - 01 offer ?
Castlewood High School - 01 offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Castlewood High School - 01 part of?
Castlewood High School - 01 is part of Castlewood School District 28-1.
School Reviews
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