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Castlewood High School - 01

Q: Is Castlewood High School - 01 a good school?

Castlewood High School - 01 ranks 62 nd of 166 South Dakota high schools. SchoolDigger rates this school 3 stars out of 5.

Public Grades 9-12

62^nd

SchoolDigger Rank ?

of 166 South Dakota High Schools

Better than 63% of South Dakota high schools

Summary

Castlewood High School - 01 is a public high school serving grades 9-12 in the rural town of Castlewood, South Dakota, with a total enrollment of 106 students. This school has consistently delivered excellent academic outcomes, consistently outperforming the state averages on standardized tests in English Language Arts, Mathematics, and Science. Castlewood High School - 01 boasts a 100% four-year graduation rate and low dropout rates, making it a standout example in the South Dakota education landscape.

Compared to nearby high schools like Waverly-South Shore High School and Estelline High School, Castlewood High School - 01 shines with its exceptional performance. The school's statewide ranking has fluctuated over the years, ranging from 6th to 129th, suggesting that its success is not solely dependent on its own efforts but also on the performance of other schools in the state. However, the school's consistent high performance, even in a rural setting, is a testament to the dedication and hard work of its students, teachers, and administrators.

While Castlewood High School - 01 has excelled overall, the school's performance for certain student subgroups, such as English Language Learners and Special Education students, suggests that there may be opportunities to improve equity and support for these populations. The school's per-student spending has also steadily increased, from $9,474 in the 2021-2022 school year to $11,098 in the 2023-2024 school year, indicating a commitment to providing the resources necessary for student success.

112

Students ?

16.2

Student/teacher ratio ?

$11,478

Per pupil spending ?

14.3%

Free/discounted lunch ?

310 E Harry St
Castlewood, SD 57223

(605) 793-2497

District: Castlewood School District 28-1

Feeder schools for Castlewood High School - 01:

Elementary:	Castlewood Elementary - 02
	Claremont Colony Elementary - 04
Middle:	Castlewood Middle School - 03

Racial breakdown:

White:

91.1%

Hispanic:

6.3%

Two or more races:

2.7%

See top rated South Dakota high schools

Compare Castlewood High School - 01 to nearby high schools!

At a glance

▼ Ranking trend: Recently slipping — 96th percentile in 2017 → 63rd in 2025

Strengths

✓100% graduate in 4 years — above the South Dakota average (86%)

✓Above the South Dakota median (63rd percentile)

Worth a look

!Ranking has slipped from its 96th-percentile peak (2017) to 63rd (2025)

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school54%

District avg54%

South Dakota avg50%

62^nd of 166

South Dakota public high schools ?

Top 37%▲ up 13 pts since 2015

From top 50% (2015) to top 37% (2025)

See the entire ranking list of South Dakota High Schools →

★★★★★

SchoolDigger rating ?

105^th of 147Castlewood School District 28-1 among South Dakota districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	63.2	62 of 166	62.7%	★★★☆☆
2024	82.0	19 of 141	86.5%	★★★★☆
2023	75.1	25 of 138	81.9%	★★★★☆
2022	91.5	6 of 134	95.5%	★★★★★
2021	68.2	36 of 140	74.3%	★★★★☆
2019	51.3	68 of 135	49.6%	★★★☆☆
2018	62.8	59 of 138	57.2%	★★★☆☆
2017	94.8	5 of 137	96.4%	★★★★★
2016	69.9	39 of 141	72.3%	★★★★☆
2015	51.3	67 of 133	49.6%	★★★☆☆
2013	36.1	107 of 144	25.7%	★☆☆☆☆
2012	55.6	73 of 143	49.0%	★★★☆☆
2011	49.0	80 of 141	43.3%	★★☆☆☆
2010	49.5	92 of 150	38.7%	★★☆☆☆
2009	89.1	8 of 144	94.4%	★★★★★
2008	14.4	124 of 135	8.1%	☆☆☆☆☆
2007	35.3	109 of 141	22.7%	★☆☆☆☆
2006	77.6	26 of 136	80.9%	★★★★☆
2005	59.7	56 of 137	59.1%	★★★☆☆
2004	17.5	119 of 132	9.8%	★☆☆☆☆
2003	59.7	60 of 133	54.9%	★★★☆☆

English Language Learner

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	31.4	27 of 45	40.0%	★★☆☆☆

Female

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	43.2	107 of 164	34.8%	★★☆☆☆
2024	57.3	40 of 93	57.0%	★★★☆☆
2023	67.9	22 of 95	76.8%	★★★★☆
2021	70.9	21 of 89	76.4%	★★★★☆

Hispanic

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	67.5	22 of 81	72.8%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	67.6	38 of 154	75.3%	★★★★☆

Male

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	76.1	33 of 162	79.6%	★★★★☆
2024	91.7	7 of 107	93.5%	★★★★★
2023	69.6	22 of 96	77.1%	★★★★☆
2021	64.0	27 of 89	69.7%	★★★★☆
2018	65.9	38 of 90	57.8%	★★★☆☆

Multi-racial

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	67.3	19 of 89	78.7%	★★★★☆

Special Education

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	30.6	83 of 140	40.7%	★★☆☆☆

White

Year	Avg score	Statewide rank	South Dakota percentile	Rating
2025	56.6	70 of 158	55.7%	★★★☆☆
2024	80.6	17 of 125	86.4%	★★★★☆
2023	67.0	31 of 121	74.4%	★★★★☆
2022	94.1	1 of 123	99.2%	★★★★★
2021	60.0	49 of 129	62.0%	★★★☆☆
2019	56.7	51 of 123	58.5%	★★★☆☆
2018	54.8	60 of 123	51.2%	★★★☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Male (2025)80th percentile+17 vs school

Multi-racial (2025)79th percentile+16 vs school

Low Socio Economic Status (2025)75th percentile+13 vs school

Hispanic (2025)73rd percentile+10 vs school

White (2025)56th percentile-7 vs school

Special Education (2025)41st percentile-22 vs school

English Language Learner (2025)40th percentile-23 vs school

Female (2025)35th percentile-28 vs school

By subject vs South Dakota (2024-2025) ?

English Language Arts86%+22 vs state

Science45%-4 vs state

Mathematics31%-5 vs state

★

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Schools Near Castlewood High School - 01

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				Smarter Balanced Assessments English Language Arts (2025)			Smarter Balanced Assessments Mathematics (2025)			Smarter Balanced Assessments Science (2025)		Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	Smarter Balanced Assessments English Language Arts 11th Grade	Smarter Balanced Assessments English Language Arts 12th Grade	Smarter Balanced Assessments English Language Arts All Grades	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Mathematics 12th Grade	Smarter Balanced Assessments Mathematics All Grades	Smarter Balanced Assessments Science 11th Grade	Smarter Balanced Assessments Science All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Castlewood High School - 01	Public	9-12	310 E Harry St	Castlewood	57223	Hamlin County	Castlewood School District 28-1	(n/a)	(n/a)	No	No	(605) 793-2497	112	7	16.2	14.3%	102 (91.1%)	0 (0.0%)	7 (6.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	3 (2.7%)	63.2	62^nd of 166 public high schools	62.7%		82	19^th of 141 public high schools	86.5%	43	86.2			31.0			44.8		$11,478	$147	$11,330
Estelline High School - 01	Public	9-12	708 Davis Ave	Estelline	57234	Hamlin County	Estelline School District 28-2	(n/a)	(n/a)	No	No	(605) 873-2201	83	8	9.8	20.5%	72 (86.7%)	0 (0.0%)	10 (12.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (1.2%)	26.3	140^th of 166 public high schools	15.7%		33.2	99^th of 141 public high schools	29.8%	41	18.8			18.8			43.8		$16,537	$724	$15,813
Watertown High School - 01	Public	9-12	200 NE 9th St	Watertown	57201	Codington County	Watertown School District 14-4	(n/a)	(n/a)	No	No	(605) 882-6316	1,222	73	16.8	30.1%	997 (81.6%)	5 (0.4%)	99 (8.1%)	8 (0.7%)	44 (3.6%)	0 (0.0%)	69 (5.6%)	56.5	81^st of 166 public high schools	51.2%		50.2	75^th of 141 public high schools	46.8%	6	66.8	0.0	66.3	29.5	0.0	29.3	49.8	49.5	$10,121	$410	$9,711
Hamlin High School - 01	Public	9-12	44577 188th St	Hayti	57241	Hamlin County	Hamlin School District 28-3	(n/a)	(n/a)	No	No	(605) 783-3644	226	19	12.2	25.7%	204 (90.3%)	1 (0.4%)	15 (6.6%)	1 (0.4%)	3 (1.3%)	0 (0.0%)	2 (0.9%)	75.5	30^th of 166 public high schools	81.9%		61.1	53^rd of 141 public high schools	62.4%	23	69.6			48.2			60.7		$15,439	$89	$15,350
Deuel High School - 01	Public	9-12	410 5th St W	Clear Lake	57226	Deuel County	Deuel School District 19-4	(n/a)	(n/a)	No	No	(605) 874-2163	176	12	14.4	15.3%	166 (94.3%)	2 (1.1%)	5 (2.8%)	0 (0.0%)	2 (1.1%)	0 (0.0%)	1 (0.6%)	60.6	69^th of 166 public high schools	58.4%		61.4	51^st of 141 public high schools	63.8%	18	60.0			35.0			57.5		$12,286	$238	$12,048
Waverly-South Shore High School - 01	Public	9-12	319 Mary Pl	Waverly	57201	Codington County	Waverly School District 14-5	(n/a)	(n/a)	No	No	(605) 886-9174	86	7	12.2	22.1%	77 (89.5%)	0 (0.0%)	3 (3.5%)	0 (0.0%)	5 (5.8%)	0 (0.0%)	1 (1.2%)	31.6	129^th of 166 public high schools	22.3%		14.3	121^st of 141 public high schools	14.2%	8	43.5			30.4			30.4		$13,223	$00	$13,223

Frequently Asked Questions about Castlewood High School - 01

What is the racial makeup of Castlewood High School - 01?

Students at Castlewood High School - 01 are 91% White, 6% Hispanic, 3% Two or more races.

How many students attend Castlewood High School - 01?

In the 2024-25 school year, 112 students attended Castlewood High School - 01.

Is Castlewood High School - 01 a good school?

Castlewood High School - 01 ranks 62^nd of 166 South Dakota high schools. SchoolDigger rates this school 3 stars out of 5.

What schools feed into Castlewood High School - 01?

Castlewood High School - 01 is fed by the following schools:

Elementary : Castlewood Elementary - 02
Elementary : Claremont Colony Elementary - 04
Middle : Castlewood Middle School - 03

What district is Castlewood High School - 01 in?

Castlewood School District 28-1

Rate Castlewood High School - 01!

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the South Dakota Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.