Best Public Schools in Zip Code 57223

Summary:

The 57223 zip code area is home to 4 schools in the Castlewood School District 28-1, including 2 elementary schools, 1 middle school, and 1 high school. While the district as a whole is ranked 105 out of 147 school districts in South Dakota and rated 2 stars out of 5 by SchoolDigger, the standout school in the area is Castlewood Elementary - 02, which consistently ranks among the top elementary schools in the state and earns a 5-star rating.

In contrast, Claremont Colony Elementary - 04 appears to be the weakest performing school, ranking 300 out of 300 elementary schools in the state and earning a 0-star rating. This school struggles with extremely low proficiency rates on standardized tests across all grade levels. The other schools in the district, Castlewood High School - 01 and Castlewood Middle School - 03, show more mixed performance, with Castlewood High School - 01 having a strong graduation rate and test scores, while Castlewood Middle School - 03 has a higher free/reduced lunch rate.

Overall, the data suggests that while the Castlewood School District as a whole has room for improvement, Castlewood Elementary - 02 is providing a high-quality education to its students, while Claremont Colony Elementary - 04 is struggling to meet the needs of its students. The variation in performance across the district highlights the importance of examining individual school data to understand the educational landscape in the 57223 zip code area.

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 3rd Grade	Smarter Balanced Assessments English Language Arts 4th Grade	Smarter Balanced Assessments English Language Arts 5th Grade	Smarter Balanced Assessments English Language Arts 6th Grade	Smarter Balanced Assessments English Language Arts 7th Grade	Smarter Balanced Assessments English Language Arts 8th Grade	Smarter Balanced Assessments English Language Arts 11th Grade	Smarter Balanced Assessments English Language Arts All Grades	Smarter Balanced Assessments Mathematics 3rd Grade	Smarter Balanced Assessments Mathematics 4th Grade	Smarter Balanced Assessments Mathematics 5th Grade	Smarter Balanced Assessments Mathematics 6th Grade	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Mathematics All Grades	Smarter Balanced Assessments Science 5th Grade	Smarter Balanced Assessments Science 8th Grade	Smarter Balanced Assessments Science 11th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Castlewood Elementary - 02	Public	PK, KG-5	310 E Harry St	Castlewood	57223	Hamlin County	Castlewood School District 28-1	(n/a)	(n/a)	No	Yes	(605) 793-2497	140	11	13.0	26.4%	131 (93.6%)	0 (0.0%)	9 (6.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	80.9	28^th of 300 public elementary schools	90.7%		55.4	95^th of 201 public elementary schools	52.7%	67	66.7	70.6	64.0					66.7	76.2	70.6	72.0					73.0	48.0			$13,151	$664	$12,487
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
Castlewood Middle School - 03	Public	6-8	310 E Harry St	Castlewood	57223	Hamlin County	Castlewood School District 28-1	(n/a)	(n/a)	No	No	(605) 793-2497	76	4	18.2	18.4%	69 (90.8%)	0 (0.0%)	5 (6.6%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (2.6%)	40.5	168^th of 246 public middle schools	31.7%		48.1	81^st of 147 public middle schools	44.9%	87				28.0	48.2	41.7		39.5				36.0	33.3	16.7		29.0		33.3		$11,116	$121	$10,995
Claremont Colony Elementary - 04	Public	K-8	46271 184th St	Castlewood	57223	Hamlin County	Castlewood School District 28-1	(n/a)	(n/a)	No	No	(605) 793-2497	17	1	17.0		17 (100.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4.6	300^th of 300 public elementary schools	0.0%					(n/a)	0.0	0.0		0.0	100.0	0.0		10.0	0.0	0.0		0.0	0.0	0.0		0.0		0.0

Cities Near Zip Code 57223

City	Distance	# of Schools	Statewide Rank
Castlewood	0.09 mi	4	137^th
Estelline	12.22 mi	3	127^th
Watertown	12.67 mi	8	87^th
Hayti	13.84 mi	3	30^th
Clear Lake	16.97 mi	3	84^th

See the top SD South Dakota cities

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.