Castlewood Middle School - 03

310 E Harry St
Castlewood, SD 57223
(School attendance zone shown in map)
5/
10
Bottom 50%
Serving 76 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 19:1 is higher than the South Dakota state level of 12:1.
Minority enrollment is 9% of the student body (majority Hispanic), which is lower than the South Dakota state average of 34% (majority American Indian).

Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 76 students
  • Student-Teacher Ratio: 19:1
  • Minority Enrollment: 9%
  • : Bottom 50% in SD
  • : 40-44% (Btm 50%)
  • : 50-54% (Top 50%)
  • : 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 76 students has grown by 52% 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)
Total Students
76 students
Total Classroom Teachers
4 teachers
Colors
Courage, Honesty, Strength
School Calendar

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 0.17, 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.
This School
State Level (SD)
#339 out of 619 schools
(Bottom 50%)
40-44%
42%
50-54%
51%
21-39%
42%
Student-Teacher Ratio
19:1
12:1
Hispanic
6%
9%
White
91%
66%
Two or more races
3%
6%
All Ethnic Groups
0.17
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
11%
34%
Eligible for Reduced Lunch
8%
7%
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?
76 students attend Castlewood Middle School - 03.
What is the racial composition of the student body?
91% of Castlewood Middle School - 03 students are White, 6% 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 19:1, 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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Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 76 students
  • Student-Teacher Ratio: 19:1
  • Minority Enrollment: 9%
  • : Bottom 50%
  • : 40-44% (Btm 50%)
  • : 50-54% (Top 50%)
  • : 21-39% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), SD Dept. of Education

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