| Newark Charter School | Newark | Other | KG-12 | 2,987 | · |
| Penn (William) High School | New Castle | High | 09-12 | 2,239 | · |
| Odyssey Charter School | Wilmington | Other | KG-12 | 2,123 | · |
| Delcastle Technical High School | Wilmington | High | 09-12 | 1,585 | · |
| Appoquinimink High School | Middletown | High | 09-12 | 1,484 | · |
| MOT Charter School | Middletown | Other | KG-12 | 1,383 | · |
| Middletown High School | Middletown | High | 09-12 | 1,355 | · |
| Las Americas ASPIRA Academy | Newark | Other | KG-11 | 1,341 | · |
| Christiana High School | Newark | High | 06-12 | 1,256 | · |
| Conrad Schools of Science | Wilmington | High | 06-12 | 1,169 | · |
| St. Georges Technical High School | Middletown | High | 09-12 | 1,153 | · |
| Mount Pleasant High School | Wilmington | High | 09-12 | 1,107 | · |
| Newark High School | Newark | High | 09-12 | 1,105 | · |
| Hodgson (Paul M.) Vocational Technical High School | Newark | High | 09-12 | 1,061 | · |
| Dickinson (John) School | Wilmington | High | 06-12 | 1,058 | · |
| Wilbur (Kathleen H.) Elementary | Bear | Elementary | KG-05 | 1,044 | · |
| Concord High School | Wilmington | High | 09-12 | 1,014 | · |
| Charter School of Wilmington | Wilmington | High | 09-12 | 968 | · |
| Brandywine High School | Wilmington | High | 09-12 | 950 | · |
| Brandywine Springs School | Wilmington | Elementary | KG-08 | 945 | · |
| Bedford (Gunning) Middle School | New Castle | Middle | 06-08 | 936 | · |
| Calloway (Cab) School of the Arts | Wilmington | High | 06-12 | 930 | · |
| McKean (Thomas) High School | Wilmington | High | 09-12 | 927 | · |
| Odessa High School | Townsend | Secondary | 09-11 | 917 | · |
| Waters (Alfred G.) Middle School | Middletown | Middle | 06-08 | 911 | · |
| Glasgow High School | Newark | High | 09-12 | 895 | · |
| Howard High School of Technology | Wilmington | High | 09-12 | 889 | · |
| Claymont Elementary School | Claymont | Elementary | KG-05 | 850 | · |
| Talley Middle School | Wilmington | Middle | 06-08 | 841 | · |
| duPont (Pierre S.) Middle School | Wilmington | Middle | 06-08 | 821 | · |
| Meredith (Everett) Middle School | Middletown | Middle | 06-08 | 810 | · |
| Shue-Medill Middle School | Newark | Middle | 06-08 | 808 | · |
| Cantwells Bridge Middle School | Townsend | Middle | 06-08 | 805 | · |
| Springer Middle School | Wilmington | Middle | 06-08 | 797 | · |
| Gauger-Cobbs Middle School | Newark | Middle | 06-08 | 779 | · |
| Lorewood Grove Elementary School | Middletown | Elementary | 01-05 | 763 | · |
| Old State Elementary School | Townsend | Elementary | 01-05 | 763 | · |
| duPont (H.B.) Middle School | Hockessin | Middle | 06-08 | 754 | · |
| Charter School of New Castle | New Castle | Elementary | KG-08 | 752 | · |
| Kirk (George V.) Middle School | Newark | Middle | 06-08 | 742 | · |
| Southern Elementary School | New Castle | Elementary | KG-05 | 737 | · |
| Academia Antonia Alonso | Newark | Elementary | KG-06 | 718 | · |
| McCullough (Calvin R. ) Middle School | New Castle | Middle | 06-08 | 705 | · |
| Mount Pleasant Elementary School | Wilmington | Elementary | KG-05 | 704 | · |
| Read (George) Middle School | New Castle | Middle | 06-08 | 694 | · |
| duPont (Alexis I.) High School | Wilmington | High | 09-12 | 680 | · |
| Bunker Hill Elementary School | Middletown | Elementary | 01-05 | 655 | · |
| Kuumba Academy Charter School | Wilmington | Elementary | KG-08 | 643 | · |
| Stanton Middle School | Wilmington | Middle | 06-08 | 643 | · |
| Edison (Thomas A.) Charter School | Wilmington | Elementary | KG-08 | 632 | · |
| First State Montessori Academy | Wilmington | Elementary | KG-08 | 629 | · |
| William F. Cooke Jr. Elementary | Hockessin | Elementary | KG-05 | 621 | · |
| Redding (Louis L.) Middle School | Middletown | Middle | 06-08 | 618 | · |
| North Star Elementary School | Hockessin | Elementary | KG-05 | 610 | · |
| Silver Lake Elementary School | Middletown | Elementary | 01-05 | 602 | · |
| Cedar Lane Elementary School | Middletown | Elementary | 01-05 | 600 | · |
| Delaware Military Academy | Wilmington | High | 09-12 | 584 | · |
| Loss (Olive B.) Elementary School | Bear | Elementary | 01-05 | 576 | · |
| Marshall (Thurgood) Elementary School | Newark | Elementary | KG-05 | 556 | · |
| Linden Hill Elementary School | Wilmington | Elementary | KG-05 | 555 | · |
| Oberle (William) Elementary School | Bear | Elementary | KG-05 | 543 | · |
| Hanby Elementary School | Wilmington | Elementary | KG-05 | 530 | · |
| Baltz (Austin D.) Elementary School | Wilmington | Elementary | KG-05 | 528 | · |
| The Bancroft School | Wilmington | Other | 01-09 | 524 | · |
| Gallaher (Robert S.) Elementary School | Newark | Elementary | KG-05 | 519 | · |
| Richardson Park Elementary School | Wilmington | Elementary | KG-05 | 519 | · |
| Lancashire Elementary School | Wilmington | Elementary | KG-05 | 514 | · |
| The Bayard School | Wilmington | Elementary | 01-08 | 508 | · |
| Castle Hills Elementary School | New Castle | Elementary | KG-05 | 492 | · |
| duPont (Alexis I.) Middle School | Greenville | Middle | 06-08 | 492 | · |
| Wilmington Manor Elementary School | New Castle | Elementary | KG-08 | 482 | · |
| Carrcroft Elementary School | Wilmington | Elementary | KG-05 | 477 | · |
| Heritage Elementary School | Wilmington | Elementary | KG-05 | 476 | · |
| Skyline Middle School | Wilmington | Middle | 06-08 | 475 | · |
| Keene (William B.) Elementary School | Newark | Elementary | KG-05 | 474 | · |
| East Side Charter School | Wilmington | Elementary | KG-08 | 472 | · |
| Forest Oak Elementary School | Newark | Elementary | KG-05 | 465 | · |
| Lombardy Elementary School | Wilmington | Elementary | KG-05 | 464 | · |
| Smith (Jennie E.) Elementary School | Newark | Elementary | KG-05 | 456 | · |
| Brick Mill Elementary School | Middletown | Elementary | 01-05 | 451 | · |
| Freire Charter School | Wilmington | High | 08-12 | 450 | · |
| Brennen School (The) | Newark | Other | PK-12 | 445 | · |
| Townsend Elementary School | Townsend | Elementary | 01-05 | 432 | · |
| Shortlidge (Evan G.) Academy | Wilmington | Elementary | KG-02 | 417 | · |
| New Castle Elementary School | New Castle | Elementary | KG-05 | 407 | · |
| Eisenberg (Harry O.) Elementary School | New Castle | Elementary | KG-05 | 399 | · |
| Marbrook Elementary School | Wilmington | Elementary | KG-05 | 399 | · |
| Downes (John R.) Elementary School | Newark | Elementary | KG-05 | 385 | · |
| Pleasantville Elementary School | New Castle | Elementary | KG-05 | 379 | · |
| Lewis (William C.) Dual Language Elementary School | Wilmington | Elementary | KG-05 | 371 | · |
| Richey Elementary School | Wilmington | Elementary | KG-05 | 367 | · |
| Maple Lane Elementary School | Claymont | Elementary | KG-05 | 363 | · |
| Warner Elementary School | Wilmington | Elementary | 03-05 | 360 | · |
| Downie (Carrie) Elementary School | New Castle | Elementary | KG-05 | 353 | · |
| Forwood Elementary School | Wilmington | Elementary | KG-05 | 351 | · |
| Harlan (David W. ) Elementary School | Wilmington | Elementary | PK-05 | 337 | · |
| Leasure (May B.) Elementary School | Newark | Elementary | KG-05 | 335 | · |
| Mote (Anna P.) Elementary School | Wilmington | Elementary | KG-05 | 331 | · |
| McVey (Joseph M.) Elementary School | Newark | Elementary | KG-05 | 330 | · |
| Brader (Henry M.) Elementary School | Newark | Elementary | KG-05 | 323 | · |
| West Park Place Elementary School | Newark | Elementary | KG-05 | 319 | · |
| Jones (Albert H.) Elementary School | Newark | Elementary | KG-05 | 301 | · |
| Christina Early Education Center | Newark | Prekindergarten | PK-PK | 295 | · |
| Johnson (Joseph E. Jr) Elementary School | Wilmington | Elementary | KG-05 | 284 | · |
| Brick Mill Early Childhood Center | Middletown | Elementary | PK-KG | 277 | · |
| Wilson (Etta J.) Elementary School | Newark | Elementary | KG-05 | 267 | · |
| Maclary (R. Elisabeth) Elementary School | Newark | Elementary | KG-05 | 266 | · |
| Red Clay Early Years Program | Wilmington | Prekindergarten | PK-PK | 257 | · |
| Brookside Elementary School | Newark | Elementary | KG-05 | 253 | · |
| Cedar Lane Early Childhood Center | Middletown | Elementary | KG-KG | 251 | · |
| Bush (Charles W.) Pre-School | Wilmington | Prekindergarten | PK-PK | 247 | · |
| Great Oaks Charter School | Wilmington | High | 08-12 | 217 | · |
| Spring Meadow Early Childhood Center | Townsend | Elementary | KG-KG | 210 | · |
| Townsend Early Childhood Center | Townsend | Elementary | KG-KG | 197 | · |
| Stubbs Early Education Center | Wilmington | Elementary | PK-KG | 190 | · |
| Gateway Charter School | Wilmington | Middle | 03-08 | 186 | · |
| The Colwyck Center | New Castle | Prekindergarten | PK-PK | 177 | · |
| Delaware School for the Deaf | Newark | Other | PK-12 | 132 | · |
| Appoquinimink PreSchool Center | Middletown | Prekindergarten | PK-PK | 127 | · |
| Meadowood Program | Newark | Other | KG-12 | 120 | · |
| Leach (John G.) School | New Castle | Other | PK-12 | 88 | · |
| Douglass School | Wilmington | Other | 01-12 | 86 | · |
| First State School | Wilmington | Other | 01-10 | 18 | · |
| The Wallace Wallin School | New Castle | Ungraded | UG-UG | 0 | · |
| Brandywine SITE | Claymont | Not reported | M -M | · | · |
| Crystal Run Elementary School | Odessa | Not reported | M -M | · | · |
| Pyle (Sarah) Academy | Wilmington | Not reported | M -M | · | · |
| Richardson Park Learning Center | Wilmington | Not reported | M -M | · | · |