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Delcastle Technical High School

Q: Is Delcastle Technical High School a good school?

Delcastle Technical High School ranks 26 th of 41 Delaware high schools. SchoolDigger rates this school 2 stars out of 5.

Q: How many students attend Delcastle Technical High School?

In the 2024-25 school year, 1,605 students attended Delcastle Technical High School.

Q: What is the racial makeup of Delcastle Technical High School?

Students at Delcastle Technical High School are 44% Hispanic, 30% African American, 20% White, 4% Two or more races.

Public Grades 9-12

26^th

SchoolDigger Rank ?

of 41 Delaware High Schools

Better than 37% of Delaware high schools

Summary

Delcastle Technical High School is a public high school located in Wilmington, Delaware, serving grades 9-12 with a total enrollment of 1,598 students. The school is part of the New Castle County Vocational-Technical School District, which is ranked 21 out of 32 districts in the state and has a 2-star rating from SchoolDigger.

Delcastle Technical High School has consistently ranked in the bottom half of Delaware high schools, ranging from 14th to 32nd out of 30-41 schools over the past 10 years. The school's SchoolDigger rating has been 1-2 stars out of 5 for most of the past decade, indicating below-average performance compared to other Delaware high schools. The school's performance across different student subgroups, including female, male, African American, Hispanic, and white students, is also in the bottom half of Delaware high schools, with particularly concerning rankings for multi-racial and special education students. However, the school's performance for low socioeconomic status students is relatively better, ranking in the middle third of Delaware high schools.

Delcastle Technical High School's academic performance, as measured by standardized test scores, is consistently below the state and district averages in English Language Arts, Mathematics, Science, and Social Studies. The school's proficiency rates in these subjects are typically 10-20 percentage points lower than the state and district averages. While Delcastle's performance is generally lower than that of nearby public high schools, such as Penn (William) High School, Freire Charter School, and Dickinson (John) School, the school performs better than some other nearby schools, such as duPont (Alexis I.) High School and McKean (Thomas) High School, which have even lower statewide rankings and academic proficiency rates.

1,605

Students ?

13.6

Student/teacher ratio ?

29.9%

Free/discounted lunch ?

1417 Newport Road
Wilmington, DE 19804-3499

(302) 995-8100

District: New Castle County Vocational-Technical School District

Racial breakdown:

Hispanic:

44.0%

African American:

30.1%

White:

19.8%

See top rated Delaware high schools

Compare Delcastle Technical High School to nearby high schools!

At a glance

▲ Ranking trend: Rebounding — 21st percentile in 2021 → 37th in 2025

Strengths

✓95% graduate in 4 years — above the Delaware average (89%)

✓Ranking is rebounding — up to 37th (2025) from a 21st-percentile low (2021)

Worth a look

!Test scores below the Delaware average (23% vs 30% meeting standards)

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

!Essay scores 16 pts below the Delaware average

Students meeting standards (2024-2025) ?

This school23%

District avg22%

Delaware avg30%

26^th of 41

Delaware public high schools ?

Bottom 37%▼ down 23 pts since 2015

From top 40% (2015) to bottom 37% (2025)

See the entire ranking list of Delaware High Schools →

★★★★★

SchoolDigger rating ?

2^nd of 4High Schools in the New Castle County Vocational-Technical School District

21^st of 32New Castle County Vocational-Technical School District among Delaware 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	Delaware percentile	Rating
2025	35.3	26 of 41	36.6%	★★☆☆☆
2024	22.9	32 of 41	22.0%	★☆☆☆☆
2023	24.7	30 of 39	23.1%	★☆☆☆☆
2022	26.1	29 of 39	25.6%	★☆☆☆☆
2021	19.6	31 of 39	20.5%	★☆☆☆☆
2019	24.7	29 of 40	27.5%	★☆☆☆☆
2018	36.7	17 of 30	43.3%	★★☆☆☆
2017	40.4	18 of 30	40.0%	★★☆☆☆
2016	36.9	19 of 31	38.7%	★★☆☆☆
2015	57.3	14 of 35	60.0%	★★★☆☆

African American

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	39.5	18 of 35	48.6%	★★★☆☆
2024	21.9	26 of 31	16.1%	★☆☆☆☆
2023	28.8	22 of 31	29.0%	★★☆☆☆
2022	31.9	23 of 35	34.3%	★★☆☆☆
2021	30.8	21 of 27	22.2%	★★☆☆☆
2019	37.5	16 of 33	51.5%	★★★☆☆

Female

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	30.9	25 of 40	37.5%	★★☆☆☆
2024	17.1	35 of 39	10.3%	★☆☆☆☆
2023	21.6	31 of 38	18.4%	★☆☆☆☆
2022	17.8	31 of 37	16.2%	★☆☆☆☆
2021	15.1	32 of 36	11.1%	★☆☆☆☆
2019	24.7	31 of 41	24.4%	★☆☆☆☆

Hispanic

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	50.4	15 of 32	53.1%	★★★☆☆
2024	21.3	25 of 31	19.4%	★☆☆☆☆
2023	34.0	15 of 27	44.4%	★★★☆☆
2022	28.5	16 of 22	27.3%	★★☆☆☆
2021	21.1	15 of 19	21.1%	★☆☆☆☆
2019	24.9	18 of 24	25.0%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	38.5	17 of 33	48.5%	★★★☆☆
2024	26.8	21 of 32	34.4%	★★☆☆☆
2023	35.1	17 of 29	41.4%	★★☆☆☆
2022	54.1	10 of 28	64.3%	★★★☆☆
2021	33.9	18 of 24	25.0%	★★☆☆☆
2019	42.6	17 of 29	41.4%	★★☆☆☆

Male

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	32.1	25 of 40	37.5%	★★☆☆☆
2024	22.1	29 of 39	25.6%	★☆☆☆☆
2023	19.6	33 of 38	13.2%	★☆☆☆☆
2022	25.9	28 of 37	24.3%	★★☆☆☆
2021	15.5	31 of 36	13.9%	★☆☆☆☆
2019	21.8	32 of 41	22.0%	★☆☆☆☆

Military Connected

Year	Avg score	Statewide rank	Delaware percentile	Rating
2019	24.2	5 of 5	0.0%	★★★☆☆

Multi-racial

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	9.8	9 of 9	0.0%	★☆☆☆☆
2024	17.3	8 of 8	0.0%	★☆☆☆☆
2023	34.9	6 of 8	25.0%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	20.3	4 of 6	33.3%	★★★☆☆

White

Year	Avg score	Statewide rank	Delaware percentile	Rating
2025	25.2	28 of 35	20.0%	★☆☆☆☆
2024	22.0	29 of 35	17.1%	★☆☆☆☆
2023	16.7	30 of 34	11.8%	★☆☆☆☆
2022	18.2	30 of 33	9.1%	★☆☆☆☆
2021	11.8	32 of 34	5.9%	☆☆☆☆☆
2019	11.5	33 of 36	8.3%	★☆☆☆☆

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)

Hispanic (2025)53rd percentile+17 vs school

African American (2025)49th percentile+12 vs school

Low Socio Economic Status (2025)48th percentile+12 vs school

Female (2025)38th percentile~ school

Male (2025)38th percentile~ school

Special Education (2025)33rd percentile-3 vs school

White (2025)20th percentile-17 vs school

Multi-racial (2025)<1st percentile-37 vs school

Military Connected (2019)<1st percentile-28 vs school

By subject vs Delaware (2024-2025) ?

English Language Arts40%-8 vs state

Science26%+3 vs state

Social Studies19%-9 vs state

Essay17%-16 vs state

Mathematics11%-7 vs state

★

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Schools Near Delcastle Technical High School

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				DeSSA Science (2025)			DeSSA Social Studies (2025)				SAT English Language Arts (2025)	SAT Mathematics (2025)	SAT Essay (2025)	Smarter Balanced Assessments English Language Arts (2025)			Smarter Balanced Assessments Mathematics (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	DeSSA Science 8th Grade	DeSSA Science 9th Grade	DeSSA Science 10th Grade	DeSSA Social Studies 6th Grade	DeSSA Social Studies 7th Grade	DeSSA Social Studies 8th Grade	DeSSA Social Studies 11th Grade	SAT English Language Arts 11th Grade	SAT Mathematics 11th Grade	SAT Essay 11th 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 Mathematics 6th Grade	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Total
Delcastle Technical High School	Public	9-12	1417 Newport Road	Wilmington	19804	New Castle County	New Castle County Vocational-Technical School District	No	No	No	Yes	(302) 995-8100	1,605	118	13.6		318 (19.8%)	483 (30.1%)	707 (44.0%)	15 (0.9%)	9 (0.6%)	1 (0.1%)	72 (4.5%)	35.3	26^th of 41 public high schools	36.6%		22.9	32^nd of 41 public high schools	22.0%	6			25.9				18.9	39.6	11.1	17.2
Conrad Schools of Science	Public, Magnet	6-12	201 Jackson Avenue	Wilmington	19804	New Castle County	Red Clay Consolidated School District	No	Yes	No	No	(302) 992-5545	1,164	64	18.1		582 (50.0%)	142 (12.2%)	338 (29.0%)	53 (4.6%)	2 (0.2%)	1 (0.1%)	46 (4.0%)	77.6	6^th of 41 public high schools	85.4%		81	5^th of 41 public high schools	87.8%	1	36.8	52.4		53.3	64.5	58.3	35.2	67.3	28.3	35.1	50.0	63.9	57.9	42.8	57.5	53.7	$16,838
Delaware Military Academy	Public, Charter	9-12	112 Middleboro Road	Wilmington	19804	New Castle County	Delaware Military Academy	Yes	No	No	Yes	(302) 998-0745	547	37	14.7		369 (67.5%)	62 (11.3%)	94 (17.2%)	3 (0.5%)	0 (0.0%)	1 (0.2%)	18 (3.3%)								(n/a)
Dickinson (John) School	Public	6-12	1801 Milltown Road	Wilmington	19808	New Castle County	Red Clay Consolidated School District	No	No	No	No	(302) 992-5500	1,027	66	15.5		349 (34.0%)	257 (25.0%)	367 (35.7%)	25 (2.4%)	4 (0.4%)	0 (0.0%)	25 (2.4%)	25.9	30^th of 41 public high schools	26.8%		29.1	27^th of 41 public high schools	34.1%	3	20.2	18.5	4.4	54.1	75.7	43.9	23.1	32.7	13.7	17.5	46.0	54.1	44.3	32.2	33.3	36.0	$21,935
Charter School of Wilmington	Public, Charter	9-12	100 North duPont Road	Wilmington	19807	New Castle County	Charter School of Wilmington	Yes	No	No	Yes	(302) 651-2727	977	51	19.1		394 (40.3%)	74 (7.6%)	79 (8.1%)	382 (39.1%)	4 (0.4%)	2 (0.2%)	42 (4.3%)								(n/a)
Calloway (Cab) School of the Arts	Public, Magnet	6-12	100 North duPont Road	Wilmington	19807	New Castle County	Red Clay Consolidated School District	No	Yes	No	No	(302) 651-2700	941	48	19.6		423 (45.0%)	198 (21.0%)	141 (15.0%)	126 (13.4%)	1 (0.1%)	0 (0.0%)	52 (5.5%)	96.4	4^th of 41 public high schools	90.2%		94.2	3^rd of 41 public high schools	92.7%	1			60.2	72.5	88.8	73.6	74.2	85.8	32.1	51.5	63.5	77.6	75.7	48.7	49.0	48.9	$18,162
McKean (Thomas) High School	Public	9-12	301 McKennan's Church Road	Wilmington	19808	New Castle County	Red Clay Consolidated School District	No	No	No	No	(302) 992-5520	920	70	13.1		236 (25.7%)	257 (27.9%)	382 (41.5%)	9 (1.0%)	6 (0.7%)	0 (0.0%)	30 (3.3%)	12.7	38^th of 41 public high schools	7.3%		11.8	40^th of 41 public high schools	2.4%	2		12.5	12.0				10.1	22.2		9.3							$25,951
duPont (Alexis I.) High School	Public	9-12	50 Hillside Road	Wilmington	19807	New Castle County	Red Clay Consolidated School District	No	No	No	No	(302) 651-2626	550	40	13.7		64 (11.6%)	248 (45.1%)	219 (39.8%)	1 (0.2%)	1 (0.2%)	0 (0.0%)	17 (3.1%)	10.4	40^th of 41 public high schools	2.4%		12.7	39^th of 41 public high schools	4.9%	1			8.7				9.5	21.3		10.2							$28,885
Penn (William) High School	Public	9-12	713 East Basin Road	New Castle	19720	New Castle County	Colonial School District	No	No	No	Yes	(302) 323-2800	2,069	117	17.6		443 (21.4%)	1,030 (49.8%)	483 (23.3%)	34 (1.6%)	9 (0.4%)	3 (0.1%)	67 (3.2%)	28.7	29^th of 41 public high schools	29.3%		22.2	33^rd of 41 public high schools	19.5%	4			18.0				20.9	33.1	7.3	23.0							$24,132
Freire Charter School	Public, Charter	8-12	201 West 14th Street	Wilmington	19801	New Castle County	Freire Charter School Wilmington	Yes	No	No	Yes	(302) 407-4800	406	17	23.8		19 (4.7%)	344 (84.7%)	31 (7.6%)	1 (0.2%)	3 (0.7%)	0 (0.0%)	8 (2.0%)	15.7	37^th of 41 public high schools	9.8%		16.1	37^th of 41 public high schools	9.8%				10.9			8.6	9.6	23.0	6.8	19.7

Frequently Asked Questions about Delcastle Technical High School

What is the racial makeup of Delcastle Technical High School?

Students at Delcastle Technical High School are 44% Hispanic, 30% African American, 20% White, 4% Two or more races.

What district is Delcastle Technical High School in?

New Castle County Vocational-Technical School District

How many students attend Delcastle Technical High School?

In the 2024-25 school year, 1,605 students attended Delcastle Technical High School.

Is Delcastle Technical High School a good school?

Delcastle Technical High School ranks 26^th of 41 Delaware high schools. SchoolDigger rates this school 2 stars out of 5.

Rate Delcastle Technical High School!

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