This is a complete list of high schools in the U.S. state of Delaware.

Public schools

New Castle County

{| class="wikitable sortable" style="width:75%;"

! width=20% | School name

! width=15% | Location

! width=8% | Grade<br>range

! width=20% | District

! width=8% | 2019-2020<br>enrollment

|-

| Alexis I. duPont High School || Greenville || 9-12 || Red Clay Consolidated School District || align="right" | 807

|-

| Appoquinimink High School || Middletown || 9-12 || Appoquinimink School District || align="right" | 1,697

|-

| Brandywine High School || Talleys Corner || 9-12 || Brandywine School District || align="right"| 839

|-

| Brennen School || Brookside || K-12 || Christina School District || align="right" | 413

|-

| Cab Calloway School of the Arts || Westmoreland || 6-12 || Red Clay Consolidated School District || align="right" | 937

|-

| Charter School of Wilmington || Wilmington || 9-12 || Red Clay Consolidated School District || align="right" | 971

|-

| Christiana High School || Newark || 6-12 || Christina School District || align="right" | 1,030

|-

| Christiana School District Virtual Academy || Wilmington || K-12 || Christina School District || align="right" | N/A

|-

| Concord High School || Brandywine || 9-12 || Brandywine School District || align="right" | 1,084

|-

| Conrad Schools of Science || Wilmington || 6-12 || Red Clay Consolidated School District || align="right" | 1,179

|-

|Delaware Military Academy ||Wilmington|| 9-12|| Red Clay Consolidated School District || align="right"|578

|-

|Delaware School for the Deaf Secondary || Brookside || PK-12 || Christina School District || align="right" | 108

|-

| Delcastle Technical High School || Wilmington || 9-12 || New Castle County Vocational-Technical School District || align="right" | 1,561

|-

| Douglass School || Wilmington || 1-12 || Christina School District || align="right" | 55

|-

| First State School || Wilmington || 2-12 || Red Clay Consolidated School District || align="right" | 22

|-

| Glasgow High School || Newark || 9-12 || Christina School District || align="right" | 717

|-

| Hodgson Vo-Tech High School || Glasgow || 9-12 || New Castle County Vocational-Technical School District || align="right" | 1,096

|-

| Howard High School || Wilmington || || Wilmington School District || align="right" | N/A (defunct)

|-

| Howard High School of Technology || Wilmington || 9-12 || New Castle County Vocational-Technical School District || align="right" | 835

|-

| James H. Groves Adult High School || Wilmington || adult education || Red Clay Consolidated School District || align="right" | N/A

|-

| John Dickinson High School || Milltown || 6-12 || Red Clay Consolidated School District || align="right" | 894

|-

| John G. Leach School || Collins Park || PK-12 || Colonial School District || align="right" | 71

|-

| Meadowood Program || Newark || K-12 || Red Clay Consolidated School District || align="right" | 140

|-

| Middletown High School || Middletown || 8-12 || Appoquinimink School District || align="right" | 1,776

|-

| MOT Charter High School ||Middletown || K-12 || || align="right" | 1,375

|-

| Mount Pleasant High School || Wilmington || 9-12 || Brandywine School District || align="right" | 1,062

|-

| Networks School for Employability Skills || Newark || 9-12 || Christina School District || align="right" | N/A

|-

| Newark Charter School || Newark || K-12 || || align="right" | 2,412

|-

| Newark High School || Newark || 9-12 || Christina School District || align="right" | 1,059

|-

| Odessa High School || Townsend || 9-12 || Appoquinimink School District || align="right" | N/A

|-

| P. S. Dupont High School || Wilmington || || Wilmington School District || align="right" | N/A (defunct)

|-

| Sarah Pyle Academy for Academic Intensity || Wilmington || 9-12 || Christina School District || align="right" | N/A

|-

| St. Georges Technical High School || Middletown || 9-12 || New Castle County Vocational-Technical School District || align="right" | 1,123

|-

| Thomas McKean High School || Wilmington || 8-12 || Red Clay Consolidated School District || align="right" | 920

|-

| The Wallace Wallin School || New Castle || 6-12 || Colonial School District || align="right" | 121

|-

| William Penn High School || New Castle || 9-12 || Colonial School District || align="right" | 2,271

|-

| Wilmington High School || Wilmington || || Wilmington School District (1872–1979); Red Clay Consolidated School District (1979–1999) || align="right" | N/A (defunct)

|-

|}

Kent County

{| class="wikitable sortable" style="width:75%;"

! width=20% | School name

! width=15% | Location

! width=8% | Grade<br>range

! width=20% | District

! width=8% | 2019-2020<br>enrollment

|-

| Caesar Rodney High School || Camden Wyoming || 9-12 || Caesar Rodney School District || align="right" | 2,065

|-

| Dover High School || Dover || 9-12 || Capital School District || align="right" | 1,790

|-

| Early College High School at Del State || Dover || 9-12 || || align="right" | 421

|-

| First State Military Academy || Clayton || 9-12 || || align="right" | 452

|-

| John S. Charlton School || Dover || PK-12 || Caesar Rodney School District || align="right" | 233

|-

| Kent County Community School || Dover || PK-12 || Capital School District || align="right" | 258

|-

| Kent County Secondary Intensive Learning Center || Dover || 6-12 || Capital School District || align="right" | 108

|-

| Lake Forest High School || Felton || 8-12 || Lake Forest School District || align="right" | 840

|-

| Milford Senior High School || Milford || 9-12 ||Milford School District || align="right" | 1,087

|-

| Polytech High School || Woodside || 9-12 || Polytech School District || align="right" | 1,192

|-

| Positive Outcomes Charter School || Camden || 7-12 || || align="right" | 121

|-

| Smyrna High School || Smyrna || 9-12 || Smyrna School District || align="right" | 1,612

|-

|}

Sussex County

{| class="wikitable sortable" style="width:75%;"

! width=20% | School name

! width=15% | Location

! width=8% | Grade<br>range

! width=20% | District

! width=8% | 2019-2020<br>enrollment

|-

| Cape Henlopen High School || Lewes || 9-12 || Cape Henlopen School District || align="right" | 1,506

|-

| Delmar Senior High School || Delmar || 9-12 || Delmar School District || align="right" | 635

|-

| G.W. Carver Educational Center || Frankford || 4-12 || Indian River School District || align="right" | 33

|-

| Howard T. Ennis School || Georgetown || PK-12 || Indian River School District || align="right" | 138

|-

| Indian River High School || Frankford || 9-12 || Indian River School District || align="right" | 945

|-

| Indian River Intensive Learning Center || Selbyville || 3-12 || Indian River School District || align="right" | 142

|-

| Laurel Senior High School || Laurel || 9-12 || Laurel School District|| align="right" | 626

|-

| Seaford Senior High School || Seaford || 9-12 || Seaford School District || align="right" | 826

|-

| Sussex Academy || Georgetown || K-12 || || align="right" | 858

|-

| Sussex Central High School || Georgetown || 9-12 || Indian River School District || align="right" | 1,803

|-

| Sussex Consortium || Lewes || PK-12 || Cape Henlopen School District || align="right" | 360

|-

| Sussex Orthopedic Program || Seaford || PK-12 || Seaford || align="right" | 48

|-

| Sussex Technical High School || Georgetown || 9-12 || || align="right" | 1,241

|-

| Woodbridge High School || Bridgeville || 9-12 || Woodbridge School District || align="right" | 712

|-

|}

Private schools

New Castle County

{| class="wikitable sortable" style="width:75%;"

! width=25% | School name

! width=13% | Location

! width=8% | Grade<br>range

! width=20% | Religious<br>affiliation

! width=15% | Gender

! width=8% | 2021<br>enrollment

|-

| Archmere Academy || Claymont || 9-12 || Catholic || co-educational || align="right" | 515

|-

| Aquinas Academy || Bear || K-12 || Catholic || co-educational || align="right" | 85

|-

| Augustine Hills || Wilmington || 6-12 || non-religious || co-educational || align="right" | N/A

|-

| Caravel Academy || Bear || PK-12 || non-religious|| co-educational|| align="right" | 1,117

|-

| Centreville Layton School || Centreville || PK-12 || non-religious || co-educational || align="right" | 102

|-

| Concord Christian Academy || Wilmington || PK-12 || Baptist || co-educational || align="right" | 210

|-

| Delaware Valley Classical School || New Castle || K-12 || Christianity || co-educational || align="right" | 152

|-

| Fairwinds Christian School || Bear || PK-12 || Protestant || co-educational || align="right" | 262

|-

| Glasgow Christian Academy || Newark|| PK-12 || Christian|| co-educational || align="right" | 250

|-

| High Road School of Delaware || Wilmington || 3-12 || non-religious || co-educational || align="right" | 23

|-

| Mount Sophia Academy || Newark || K-12 || Christian || co-educational || align="right" | 160

|-

| The New School || Newark || K-12 || non-religious || co-educational || align="right" | 26

|-

| Padua Academy || Wilmington || 9-12 || Catholic || all-girls || align="right" | 658

|-

| Red Lion Christian Academy || Bear || PK-12 || Evangelical || co-educational || align="right" | 574

|-

| Salesianum School || Wilmington || 9-12 || Catholic || all-boys || align="right" | 1,034

|-

| Sanford School || Hockessin || PK-12 || non-religious || co-educational || align="right" | 577

|-

| St. Andrew's School || Middletown || 9-12 || Episcopal || co-educational || align="right" | 319

|-

| St. Elizabeth School || Wilmington || PK-12 || Catholic || co-educational || align="right" | 540

|-

| St. Mark's High School || Wilmington || 9-12 || Catholic || co-educational || align="right" | 605

|-

| The Tatnall School || Wilmington || PK-12 || non-religious || co-educational || align="right" | 551

|-

| Tower Hill School || Wilmington || PK-12 || non-religious || co-educational || align="right" | 815

|-

| Towle Institute || Hockessin || 6-12 || Christian || co-educational || align="right" | 157

|-

| Ursuline Academy || Wilmington || PK-12 || Catholic || all-girls (6-12) || align="right" | 413

|-

| Wilmington Christian School || Hockessin || PK-12 || Christian || co-educational || align="right" | 345

|-

| Wilmington Friends School || Wilmington || PK-12 || Quakers || co-educational || align="right" | 699

|-

|}

Kent County

{| class="wikitable sortable" style="width:75%;"

! width=25% | School name

! width=13% | Location

! width=8% | Grade<br>range

! width=20% | Religious<br>affiliation

! width=15% | Gender

! width=8% | 2021<br>enrollment

|-

| Calvary Christian Academy || Dover || PK-12 || Christian || co-educational || align="right" | 323

|-

| Capitol Baptist School || Dover || PK-12 || Baptist || co-educational || align="right" | 38

|-

| High Road School of Delaware || Felton || 5-12 || non-religious || co-educational || align="right" | 23

|}

Sussex County

{| class="wikitable sortable" style="width:75%;"

! width=25% | School name

! width=13% | Location

! width=8% | Grade<br>range

! width=20% | Religious<br>affiliation

! width=15% | Gender

! width=8% | 2021<br>enrollment

|-

| Delmarva Christian High School || Georgetown || 9-12 || Evangelical || co-educational || align="right" | 200

|-

| Geneva Academy || Lincoln || K-12 || Classical Christian || co-educational || align="right" | 23

|-

| Greenwood Mennonite School || Greenwood || PK-12 || Mennonite || co-educational || align="right" | 54

|-

|}

Former schools

  • Louis L. Redding Comprehensive High School

See also

  • List of school districts in Delaware
  • :Category:Defunct schools in Delaware
  • :Category:Defunct high schools in Delaware