allk12 · Rankings · Largest · Delaware · New Castle County · High schools

The largest public high schools in New Castle County, Delaware

Across New Castle County, Delaware, 23 public high schools are ranked here, ranked by total student enrollment, excluding online and virtual schools. Penn (William) High School leads the list at 2,069, against a median of 1,027 across the ranked schools.

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Schools ranked

New Castle County, Delaware

Top Students

2,069

Median Students

1,027

LARGEST · NEW CASTLE COUNTY, DELAWARE

#	School	City	District	Level	Students
1	Penn (William) High School	New Castle, DE	Colonial School District	High	2,069
2	Delcastle Technical High School	Wilmington, DE	New Castle County Vocational-Technical School District	High	1,605
3	Christiana High School	Newark, DE	Christina School District	High	1,425
4	Appoquinimink High School	Middletown, DE	Appoquinimink School District	High	1,357
5	Odessa High School	Townsend, DE	Appoquinimink School District	High	1,254
6	Middletown High School	Middletown, DE	Appoquinimink School District	High	1,231
7	St. Georges Technical High School	Middletown, DE	New Castle County Vocational-Technical School District	High	1,198
8	Conrad Schools of Science	Wilmington, DE	Red Clay Consolidated School District	High	1,164
9	Hodgson (Paul M.) Vocational Technical High School	Newark, DE	New Castle County Vocational-Technical School District	High	1,104
10	Mount Pleasant High School	Wilmington, DE	Brandywine School District	High	1,084
11	Newark High School	Newark, DE	Christina School District	High	1,039
12	Dickinson (John) School	Wilmington, DE	Red Clay Consolidated School District	High	1,027
13	Concord High School	Wilmington, DE	Brandywine School District	High	994
14	Charter School of Wilmington	Wilmington, DE	Charter School of Wilmington	High	977
15	Calloway (Cab) School of the Arts	Wilmington, DE	Red Clay Consolidated School District	High	941
16	McKean (Thomas) High School	Wilmington, DE	Red Clay Consolidated School District	High	920
17	Glasgow High School	Newark, DE	Christina School District	High	908
18	Howard High School of Technology	Wilmington, DE	New Castle County Vocational-Technical School District	High	905
19	Brandywine High School	Wilmington, DE	Brandywine School District	High	897
20	duPont (Alexis I.) High School	Wilmington, DE	Red Clay Consolidated School District	High	550
21	Delaware Military Academy	Wilmington, DE	Delaware Military Academy	High	547
22	Freire Charter School	Wilmington, DE	Freire Charter School Wilmington	High	406
23	Great Oaks Charter School	Wilmington, DE	Great Oaks Charter School	High	149

Page 1 of 1 · top 23 of 23 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.