Average

#392 of 574 schools in SD

Castlewood Middle School - 03

Middle School · Castlewood School District 28-1

310 E Harry St, Castlewood, SD 57223

Last updated: July 2026

Enrollment

Student-Teacher

18.2:1

Score

5.3

Grades

6th – 8th

Enrollment

Student-Teacher

18.2:1

Score

5.3

Grades

6th – 8th

Data vintage
2022-23

Data vintage2022-23

How this school compares

South Dakota schools

#392 of 574

In Castlewood

#3 of 3

public schools

In district

#3 of 3

Castlewood School District 28-1

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Middle School in Castlewood · grades 6th – 8th. Start here, then compare fit against nearby and district options.

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About Castlewood Middle School - 03

Castlewood Middle School - 03 is a public middle school in Castlewood, SD, part of Castlewood School District 28-1. Castlewood Middle School - 03 serves approximately 73 students, and covers grades 6th-8th, and has a 18.2:1 student-teacher ratio. Castlewood Middle School - 03 has a current MySchoolScout rating of 5.3 out of 10 and ranks #392 of 574 schools in SD.

Structured state assessment records for Castlewood Middle School - 03 show 56% math proficiency (multi-year average, 2009-2022) and 59% reading/ELA proficiency (multi-year average, 2009-2022).

How it compares0.7 pts below SD schools

5.3

This school 5.3 · Average
SD avg 6.0

What Parents Should Know

At 73 students, Castlewood Middle School - 03 is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.

Castlewood Middle School - 03 sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.

Score Breakdown

Full Profile · 3/3 metrics

Student Progress5.0Average40%

Year-over-year improvement in student test scores.

View breakdown

Years of Data13

Annual Change-3.02 pts/yr

Data Period2009–2022

TrendDeclining

Academics6.5Average35%

Student proficiency on state tests, adjusted for community poverty levels.

View breakdown

Math Proficiency47% (2022 EdFacts)

Reading/ELA Proficiency52% (2022 EdFacts)

Overall Proficiency50% (2022 EdFacts, Math+ELA)

Expected (poverty-adj.)49% (model expectation from 2022 EdFacts)

vs. Expected+0.2 pts

Adjusted Percentile50th

Resources & Environment4.2Below Average25%

Student-teacher ratio, per-pupil spending, and attendance.

View breakdown

Student-Teacher Ratio18.2:1

Per-Pupil Spending$10,964

Chronic Absenteeism5.5%

Castlewood Middle School - 03 — Students at Castlewood Middle School - 03 score 50% proficient, which is above what's typical for similar communities (expected: 49%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

23.3%

Students qualifying for federal meal assistance

Test Scores SD EDFACTS (2021-22)

Math Proficiency 56.3% (multi-year average, 2009-2022)

School

State

N/A

ELA Proficiency 59.0% (multi-year average, 2009-2022)

School

State

N/A

Based on 26 test records from SD state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009

Math

84.5%

ELA

95%

2010

Math

64.5%

ELA

84.5%

2011

Math

95%

ELA

74.5%

2012

Math

84.5%

ELA

74.5%

2014

Math

24.5%

ELA

34.5%

2015

Math

34.5%

ELA

54.5%

2016

Math

44.5%

ELA

44.5%

2017

Math

54.5%

ELA

54.5%

2018

Math

64.5%

ELA

54.5%

2019

Math

64.5%

ELA

54.5%

2020*

Math

34.5%

ELA

44.5%

2021*

Math

34.5%

ELA

44.5%

2022

Math

47%

ELA

52%

* 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: 5.0/10.

How Castlewood Middle School - 03 Compares

See how Castlewood Middle School - 03 performs across key quality dimensions compared to state benchmarks.

Overall Score

5.3/10

32th percentile in SD

Academic

6.5/10

Average

Growth

5.0/10

Average

Environment

4.2/10

Below Average

Funding & Resources

Free/Reduced Lunch

Students eligible for subsidized meals

23%

Teaching Staff

18:1 student-teacher ratio

4 teachers

Chronic Absenteeism

Students missing 15+ days per year (SY 2022-23)

5.5%

Location

310 E Harry St, Castlewood, SD 57223

Nearby Alternatives

Families considering Castlewood Middle School - 03 may also want to explore other middle schools in the area. Watertown Intermediate School - 13 (rated 7.6/10, 13.1 miles away, in nearby Watertown), which scores notably higher. Another option is Watertown Middle School - 02 (rated 6.2/10, 14.0 miles away, in nearby Watertown), which scores slightly higher. Additionally, Estelline Middle School - 03 (rated 5.8/10, 12.2 miles away, in nearby Estelline), which scores slightly higher. For more schools in Castlewood, see our Castlewood schools guide .

Nearby Schools

20 within 13.8 mi

School	Distance	Enrollment	Rating
Castlewood Elementary - 02 Castlewood	0.0 mi	144	7.0
Castlewood High School - 01 Castlewood	0.0 mi	106	8.6
Claremont Colony Elementary - 04 Castlewood	3.9 mi	15	—
POINSETT COLONY ELEMENTARY SCHOOL Estelline	8.5 mi	5	—
Roosevelt Elementary - 08 Watertown	12.4 mi	148	4.2
Watertown High School - 01 Watertown	12.7 mi	1,222	5.9
IMACULATE CONCEPTION Watertown	12.6 mi	162	7.1
Watertown Intermediate School - 13 Watertown	13.1 mi	556	7.6
Lincoln Elementary - 05 Watertown	13.3 mi	338	8.0
Estelline Elementary - 02 Estelline	12.1 mi	136	4.7
Estelline High School - 01 Estelline	12.2 mi	86	5.7
Estelline Middle School - 03 Estelline	12.2 mi	53	5.8
Mellette Elementary - 07 Watertown	13.4 mi	235	7.5
GREAT PLAINS LUTHERAN HIGH SCHOOL Watertown	13.7 mi	133	7.2
McKinley Elementary - 06 Watertown	13.3 mi	255	6.9
ST MARTINS LUTHERAN SCHOOL Watertown	13.7 mi	123	5.4
Watertown Middle School - 02 Watertown	14.0 mi	587	6.2
WATERTOWN CHRISTIAN SCHOOL Watertown	13.8 mi	60	6.2
Jefferson Elementary - 09 Watertown	14.2 mi	332	5.4
Hamlin Middle School - 02 Hayti	13.8 mi	182	4.5

Neighborhood 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

Similar Schools

Schools in the same state with comparable level, size, and ratings

School	Enrollment	Rating
Scotland Middle School - 05 Scotland, SD	83	5.2
Garretson Middle School - 03 Garretson, SD	97	5.4
Parkston Middle School - 05 Parkston, SD	90	5.4
Selby Middle School - 03 Selby, SD	46	5.4
Andes Central Middle School - 04 Lake Andes, SD	56	5.1
Elkton Jr. High - 03 Elkton, SD	82	5.1

Frequently Asked Questions

Common questions about Castlewood Middle School - 03

What grades does Castlewood Middle School - 03 serve?

Castlewood Middle School - 03 serves students in grades 6th through 8th.

How many students attend Castlewood Middle School - 03?

Castlewood Middle School - 03 has an enrollment of approximately 73 students.

What is the student-teacher ratio at Castlewood Middle School - 03?

The student-teacher ratio at Castlewood Middle School - 03 is 18.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Castlewood Middle School - 03 rank in SD?

Castlewood Middle School - 03 ranks #392 of 574 schools in SD.

What is Castlewood Middle School - 03's MySchoolScout rating?

Castlewood Middle School - 03 has a current MySchoolScout rating of 5.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Castlewood Middle School - 03?

Based on loaded state assessment records, Castlewood Middle School - 03 has 56% math proficiency (multi-year average, 2009-2022) and 59% reading/ELA proficiency (multi-year average, 2009-2022).

Is Castlewood Middle School - 03 a charter school?

No, Castlewood Middle School - 03 is not a charter school. It is a traditional public school operated by the local school district.

Is Castlewood Middle School - 03 a Title I school?

No, Castlewood Middle School - 03 is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Castlewood Middle School - 03?

23.3% of students at Castlewood Middle School - 03 qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.