Serving 73 students in grades 6-8, Castlewood Middle School - 03 ranks in the bottom 50% of all schools in South Dakota for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 40-44% (which is approximately equal to the South Dakota state average of 42%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the South Dakota state average of 51%).
The student-teacher ratio of 18:1 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 Facts (2025-26)
- Grades: 6-8
- Enrollment: 73 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 8%
- Overall Testing Rank: Bottom 50% in SD
- Math Proficiency: 40-44% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 21-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), SD Dept. of Education
School Overview
Castlewood Middle School - 03's student population of 73 students has grown by 87% over five school years.
The teacher population of 4 teachers has grown by 33% over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
73 students
Gender %
Total Classroom Teachers
4 teachers
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Castlewood Middle School - 03 ranks within the bottom 50% of all 619 schools in South Dakota (based off of combined math and reading proficiency testing data).
The diversity score of Castlewood Middle School - 03 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
#339 out of 619 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
40-44%
42%
Reading/Language Arts Test Scores (% Proficient)
50-54%
51%
Science Test Scores (% Proficient)
21-39%
42%
Student-Teacher Ratio
18:1
12:1
American Indian
n/a
14%
Asian
n/a
2%
Hispanic
5%
8%
Black
n/a
3%
White
92%
67%
Hawaiian
n/a
n/a
Two or more races
3%
6%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
16%
31%
Eligible for Reduced Lunch
7%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), SD Dept. of Education
Frequently Asked Questions
What is Castlewood Middle School - 03's ranking?
Castlewood Middle School - 03 is ranked #339 out of 619 schools, which ranks it among the bottom 50% of public schools in South Dakota.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 42% SD state average), while 50-54% of students have achieved reading proficiency (compared to the 51% SD state average).
How many students attend Castlewood Middle School - 03?
73 students attend Castlewood Middle School - 03.
What is the racial composition of the student body?
92% of Castlewood Middle School - 03 students are White, 5% of students are Hispanic, and 3% of students are Two or more races.
What is the student-teacher ratio of Castlewood Middle School - 03?
Castlewood Middle School - 03 has a student ration of 18:1, which is higher than the South Dakota state average of 12:1.
What grades does Castlewood Middle School - 03 offer ?
Castlewood Middle School - 03 offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is Castlewood Middle School - 03 part of?
Castlewood Middle School - 03 is part of Castlewood School District 28-1.
School Reviews
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