For the 2026 school year, there are 35 public high schools serving 33,224 students in New Castle County, DE.
The top-ranked public high schools in New Castle County, DE are Charter School Of Wilmington, Newark Charter School and Mot Charter School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
New Castle County, DE public high schools have an average math proficiency score of 35% (versus the Delaware public high school average of 33%), and reading proficiency score of 53% (versus the 51% statewide average). High schools in New Castle County have an average ranking of 7/10, which is in the top 50% of Delaware public high schools.
New Castle County, DE public high school have a Graduation Rate of 90%, which is more than the Delaware average of 89%.
The school with highest graduation rate is Charter School Of Wilmington, with ≥99% graduation rate. Read more about public school graduation rate statistics in Delaware or national school graduation rate statistics.
Minority enrollment is 65% of the student body (majority Black), which is more than the Delaware public high school average of 62% (majority Black).
Best Public High Schools in New Castle County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Charter School Of Wilmington
Charter School
(Math: 87% | Reading: 94%)
Rank:
Rank:
10/
Top 1%10
100 North Dupont Road
Wilmington, DE 19807
(302) 651-2727
Wilmington, DE 19807
(302) 651-2727
Gr: 9-12 | 977 students Student-teacher ratio: 19:1 Minority enrollment: 60%
Rank: #22.
Newark Charter School
Charter School
(Math: 66% | Reading: 74%)
Rank:
Rank:
10/
Top 5%10
200 Mcintire Drive
Newark, DE 19711
(302) 369-2001
Newark, DE 19711
(302) 369-2001
Gr: K-12 | 3,109 students Student-teacher ratio: 16:1 Minority enrollment: 47%
Rank: #33.
Mot Charter School
Charter School
(Math: 60% | Reading: 72%)
Rank:
Rank:
10/
Top 10%10
1156 Levels Road
Middletown, DE 19709
(302) 376-5125
Middletown, DE 19709
(302) 376-5125
Gr: K-12 | 1,407 student Student-teacher ratio: 17:1 Minority enrollment: 59%
Rank: #44.
Christiana High School
(Math: 56% | Reading: 68%)
Rank:
Rank:
10/
Top 10%10
190 Salem Church Road
Newark, DE 19713
(302) 631-2400
Newark, DE 19713
(302) 631-2400
Gr: 6-12 | 1,425 student Student-teacher ratio: 17:1 Minority enrollment: 74%
Rank: #55.
Calloway (Cab) School Of The Arts
Magnet School
(Math: 47% | Reading: 76%)
Rank:
Rank:
10/
Top 10%10
100 North Dupont Road
Wilmington, DE 19807
(302) 651-2700
Wilmington, DE 19807
(302) 651-2700
Gr: 6-12 | 941 students Student-teacher ratio: 20:1 Minority enrollment: 55%
Rank: #66.
Conrad Schools Of Science
Magnet School
(Math: 47% | Reading: 65%)
Rank:
Rank:
9/
Top 20%10
201 Jackson Avenue
Wilmington, DE 19804
(302) 992-5545
Wilmington, DE 19804
(302) 992-5545
Gr: 6-12 | 1,164 student Student-teacher ratio: 18:1 Minority enrollment: 50%
Rank: #77.
Odyssey Charter School
Charter School
(Math: 44% | Reading: 58%)
Rank:
Rank:
9/
Top 20%10
4409 Lancaster Pike
Wilmington, DE 19805
(302) 516-8000
Wilmington, DE 19805
(302) 516-8000
Gr: K-12 | 2,286 students Student-teacher ratio: 13:1 Minority enrollment: 69%
Rank: #88.
Douglass School
Special Education School
(Math: <50% | Reading: <50% )
Rank:
Rank:
9/
Top 20%10
1800 Prospect Road
Wilmington, DE 19805
(302) 429-4146
Wilmington, DE 19805
(302) 429-4146
Gr: 1-12 | 119 students Minority enrollment: 95%
Rank: #9 - 109. - 10.
First State School
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
501 West 14th Street
Wilmington, DE 19899
(302) 320-5848
Wilmington, DE 19899
(302) 320-5848
Gr: 1-11 | 21 students Student-teacher ratio: 4:1 Minority enrollment: 86%
Rank: #9 - 109. - 10.
Leach (John G.) School
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
10 Landers Lane
New Castle, DE 19720
(302) 429-4055
New Castle, DE 19720
(302) 429-4055
Gr: PK-12 | 95 students Student-teacher ratio: 6:1 Minority enrollment: 69%
Rank: #1111.
Concord High School
(Math: 27% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
2501 Ebright Road
Wilmington, DE 19810
(302) 475-3951
Wilmington, DE 19810
(302) 475-3951
Gr: 9-12 | 994 students Student-teacher ratio: 15:1 Minority enrollment: 53%
Rank: #1212.
Appoquinimink High School
(Math: 28% | Reading: 55%)
Rank:
Rank:
7/
Top 50%10
1080 Bunker Hill Road
Middletown, DE 19709
(302) 449-3840
Middletown, DE 19709
(302) 449-3840
Gr: 9-12 | 1,357 student Student-teacher ratio: 15:1 Minority enrollment: 55%
Rank: #1313.
Brandywine High School
(Math: 26% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
1400 Foulk Road
Wilmington, DE 19803
(302) 479-1600
Wilmington, DE 19803
(302) 479-1600
Gr: 9-12 | 897 students Student-teacher ratio: 14:1 Minority enrollment: 61%
Rank: #1414.
Delaware Military Academy
Charter School
(Math: 20-24% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
112 Middleboro Road
Wilmington, DE 19804
(302) 998-0745
Wilmington, DE 19804
(302) 998-0745
Gr: 9-12 | 547 students Student-teacher ratio: 15:1 Minority enrollment: 32%
Rank: #1515.
Middletown High School
(Math: 26% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
120 Silver Lake Road
Middletown, DE 19709
(302) 376-4141
Middletown, DE 19709
(302) 376-4141
Gr: 9-12 | 1,231 student Student-teacher ratio: 15:1 Minority enrollment: 60%
Rank: #1616.
Mount Pleasant Elementary School
(Math: 38% | Reading: 36%)
Rank:
Rank:
6/
Top 50%10
500 Duncan Road
Wilmington, DE 19809
(302) 762-7120
Wilmington, DE 19809
(302) 762-7120
Gr: K-12 | 674 students Student-teacher ratio: 13:1 Minority enrollment: 63%
Rank: #1717.
St. Georges Technical High School
Vocational School
(Math: 15% | Reading: 51%)
Rank:
Rank:
5/
Bottom 50%10
555 Hyetts Corner Rd.
Middletown, DE 19709
(302) 449-3360
Middletown, DE 19709
(302) 449-3360
Gr: 9-12 | 1,198 student Student-teacher ratio: 15:1 Minority enrollment: 57%
Rank: #1818.
Mount Pleasant High School
(Math: 18% | Reading: 48%)
Rank:
Rank:
5/
Bottom 50%10
5201 Washington Street Extensi
Wilmington, DE 19809
(302) 762-7125
Wilmington, DE 19809
(302) 762-7125
Gr: 9-12 | 1,084 student Student-teacher ratio: 15:1 Minority enrollment: 68%
Rank: #1919.
Dickinson (John) School
(Math: 21% | Reading: 45%)
Rank:
Rank:
5/
Bottom 50%10
1801 Milltown Road
Wilmington, DE 19808
(302) 992-5500
Wilmington, DE 19808
(302) 992-5500
Gr: 6-12 | 1,027 student Student-teacher ratio: 16:1 Minority enrollment: 66%
Rank: #2020.
Talley Middle School
(Math: 26% | Reading: 37%)
Rank:
Rank:
5/
Bottom 50%10
1110 Cypress Road
Wilmington, DE 19810
(302) 475-3976
Wilmington, DE 19810
(302) 475-3976
Gr: 6-12 | 900 students Student-teacher ratio: 15:1 Minority enrollment: 60%
Rank: #2121.
Newark High School
(Math: 15-19% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
750 East Delaware Avenue
Newark, DE 19711
(302) 631-4700
Newark, DE 19711
(302) 631-4700
Gr: 9-12 | 1,039 student Student-teacher ratio: 15:1 Minority enrollment: 72%
Rank: #2222.
Aspira Delaware
Charter School
(Math: 15% | Reading: 34%)
Rank:
Rank:
3/
Bottom 50%10
326 Ruthar Drive
Newark, DE 19711
(302) 292-1463
Newark, DE 19711
(302) 292-1463
Gr: K-12 | 1,471 student Student-teacher ratio: 17:1 Minority enrollment: 90%
Rank: #2323.
Delcastle Technical High School
Vocational School
(Math: 10% | Reading: 36%)
Rank:
Rank:
3/
Bottom 50%10
1417 Newport Road
Wilmington, DE 19804
(302) 995-8100
Wilmington, DE 19804
(302) 995-8100
Gr: 9-12 | 1,605 student Student-teacher ratio: 14:1 Minority enrollment: 80%
Rank: #2424.
Penn (William) High School
(Math: 11% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
713 East Basin Road
New Castle, DE 19720
(302) 323-2800
New Castle, DE 19720
(302) 323-2800
Gr: 9-12 | 2,069 students Student-teacher ratio: 18:1 Minority enrollment: 79%
Rank: #2525.
Brennen School
Special Education School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
144 Brennen Drive
Newark, DE 19713
(302) 722-2758
Newark, DE 19713
(302) 722-2758
Gr: PK-12 | 419 students Student-teacher ratio: 5:1 Minority enrollment: 76%
Rank: #2626.
Dupont (Alexis I.) High School
(Math: 10-14% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
50 Hillside Road
Wilmington, DE 19807
(302) 651-2626
Wilmington, DE 19807
(302) 651-2626
Gr: 9-12 | 550 students Student-teacher ratio: 14:1 Minority enrollment: 88%
Rank: #2727.
Hodgson (Paul M.) Vocational Technical High School
Vocational School
(Math: 9% | Reading: 28%)
Rank:
Rank:
2/
Bottom 50%10
2575 Glasgow Avenue
Newark, DE 19702
(302) 834-0990
Newark, DE 19702
(302) 834-0990
Gr: 9-12 | 1,104 student Student-teacher ratio: 13:1 Minority enrollment: 72%
Rank: #2828.
Great Oaks Charter School
Charter School
(Math: ≤10% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
1200 North French St
Wilmington, DE 19801
(302) 332-6110
Wilmington, DE 19801
(302) 332-6110
Gr: 9-12 | 149 students Student-teacher ratio: 15:1 Minority enrollment: 99%
Rank: #29 - 3029. - 30.
Freire Charter School
Charter School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
201 West 14th Street
Wilmington, DE 19801
(302) 407-4800
Wilmington, DE 19801
(302) 407-4800
Gr: 8-12 | 406 students Student-teacher ratio: 24:1 Minority enrollment: 95%
Rank: #29 - 3029. - 30.
Glasgow High School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
1901 South College Avenue
Newark, DE 19702
(302) 631-5600
Newark, DE 19702
(302) 631-5600
Gr: 9-12 | 908 students Student-teacher ratio: 18:1 Minority enrollment: 86%
Rank: #3131.
Meadowood Program
Alternative School
(Math: ≤10% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
55a South Meadowood Drive
Newark, DE 19711
(302) 454-3400
Newark, DE 19711
(302) 454-3400
Gr: K-12 | 119 students Student-teacher ratio: 11:1 Minority enrollment: 63%
Rank: #32 - 3332. - 33.
Howard High School Of Technology
Vocational School
(Math: ≤5% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
401 East 12th Street
Wilmington, DE 19801
(302) 571-5400
Wilmington, DE 19801
(302) 571-5400
Gr: 9-12 | 905 students Student-teacher ratio: 16:1 Minority enrollment: 93%
Rank: #32 - 3332. - 33.
Mckean (Thomas) High School
(Math: ≤5% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
301 Mckennan's Church Road
Wilmington, DE 19808
(302) 992-5520
Wilmington, DE 19808
(302) 992-5520
Gr: 9-12 | 920 students Student-teacher ratio: 13:1 Minority enrollment: 74%
Rank: #3434.
Delaware School For The Deaf
Special Education School
(Math: ≤10% | Reading: ≤10%)
Rank:
Rank:
1/
Bottom 50%10
630 East Chestnut Hill Road
Newark, DE 19713
(302) 454-2301
Newark, DE 19713
(302) 454-2301
Gr: PK-12 | 108 students Student-teacher ratio: 3:1 Minority enrollment: 66%
Rank: n/an/a
570 Tony Marchio Drive
Townsend, DE 19734
(302) 842-2625
Townsend, DE 19734
(302) 842-2625
Gr: 9-12 | 1,254 student Student-teacher ratio: 15:1 Minority enrollment: 52%
Frequently Asked Questions
What are the top-ranked public high schools in New Castle County, DE?
The top-ranked public high schools in New Castle County, DE include Charter School Of Wilmington, Newark Charter School and Mot Charter School.
How many public high schools are located in New Castle County?
34 public high schools are located in New Castle County.
What is the racial composition of students in New Castle County?
New Castle County public high schools minority enrollment is 65% of the student body (majority Black), which is more than the Delaware public high schools average of 62% (majority Black).
Which public high schools in New Castle County are often viewed compared to one another?
Popular comparisons of public high schools in New Castle County include: Middletown High School vs. Appoquinimink High School, Mount Pleasant High School vs. Concord High School, Appoquinimink High School vs. Middletown High School
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