| 1 | Brennen School (the)Newark | 419 | Other | Christina School District | -68% | 4.5:1 |
| 2 | Sussex ConsortiumLewes | 439 | Other | Cape Henlopen School District | -64% | 5:1 |
| 3 | Stubbs Early Education CenterWilmington | 148 | Other | Christina School District | -52% | 6.7:1 |
| 4 | Meadowood ProgramNewark | 119 | Other | Red Clay Consolidated School District | -47% | 7.4:1 |
| 5 | Wilmington Manor Elementary SchoolNew Castle | 291 | Elementary | Colonial School District | -45% | 7.7:1 |
| 6 | Major George S. Welch Elementary SchoolDover | 261 | Elementary | Caesar Rodney School District | -43% | 7.9:1 |
| 7 | Positive Outcomes Charter SchoolCamden | 119 | Other | Positive Outcomes Charter School | -43% | 7.9:1 |
| 8 | Lewis (William C.) Dual Language Elementary SchoolWilmington | 347 | Elementary | Red Clay Consolidated School District | -40% | 8.3:1 |
| 9 | William Henry Middle SchoolDover | 432 | Elementary | Capital School District | -38% | 8.6:1 |
| 10 | Gateway Charter SchoolWilmington | 211 | Elementary | Gateway Charter School | -37% | 8.8:1 |
| 11 | Beacon Middle SchoolLewes | 427 | Middle | Cape Henlopen School District | -36% | 8.9:1 |
| 12 | Ennis (Howard T.) SchoolGeorgetown | 340 | Other | Indian River School District | -36% | 8.9:1 |
| 13 | Kent County Secondary IlcDover | 107 | Other | Capital School District | -36% | 8.9:1 |
| 14 | Richardson Park Elementary SchoolWilmington | 522 | Elementary | Red Clay Consolidated School District | -33% | 9.3:1 |
| 15 | The Colwyck CenterNew Castle | 222 | Other | Colonial School District | -33% | 9.3:1 |
| 16 | Mote (Anna P.) Elementary SchoolWilmington | 310 | Elementary | Red Clay Consolidated School District | -32% | 9.4:1 |
| 17 | Kent County Community SchoolDover | 274 | Other | Capital School District | -32% | 9.4:1 |
| 18 | Warner Elementary SchoolWilmington | 395 | Elementary | Red Clay Consolidated School District | -31% | 9.6:1 |
| 19 | Lorewood Grove Elementary SchoolMiddletown | 492 | Elementary | Appoquinimink School District | -29% | 9.8:1 |
| 20 | Gallaher (Robert S.) Elementary SchoolNewark | 469 | Elementary | Christina School District | -29% | 9.8:1 |
| 21 | Harlan (David W. ) Elementary SchoolWilmington | 322 | Other | Brandywine School District | -29% | 9.8:1 |
| 22 | Booker T. Washington Elementary SchoolDover | 314 | Elementary | Capital School District | -29% | 9.8:1 |
| 23 | John S. Charlton SchoolCamden | 424 | Other | Caesar Rodney School District | -29% | 9.9:1 |
| 24 | Brick Mill Early Childhood CenterMiddletown | 280 | Other | Appoquinimink School District | -28% | 10:1 |
| 25 | Brookside Elementary SchoolNewark | 260 | Elementary | Christina School District | -28% | 10:1 |
| 26 | Kuumba Academy Charter SchoolWilmington | 594 | Elementary | Kuumba Academy Charter School | -27% | 10.2:1 |
| 27 | Skyline Middle SchoolWilmington | 408 | Middle | Red Clay Consolidated School District | -27% | 10.2:1 |
| 28 | Redding (Louis L.) Middle SchoolMiddletown | 451 | Middle | Appoquinimink School District | -26% | 10.3:1 |
| 29 | East Side Charter SchoolWilmington | 434 | Elementary | East Side Charter School | -26% | 10.3:1 |
| 30 | The Bayard SchoolWilmington | 571 | Elementary | Christina School District | -25% | 10.4:1 |
| 31 | Gauger-Cobbs Middle SchoolNewark | 681 | Middle | Christina School District | -24% | 10.5:1 |
| 32 | Allen Frear Elementary SchoolCamden | 504 | Elementary | Caesar Rodney School District | -24% | 10.5:1 |
| 33 | Leasure (May B.) Elementary SchoolNewark | 316 | Elementary | Christina School District | -24% | 10.5:1 |
| 34 | Maclary (R. Elisabeth) Elementary SchoolNewark | 244 | Elementary | Christina School District | -24% | 10.6:1 |
| 35 | Great Oaks Charter SchoolWilmington | 149 | Other | Great Oaks Charter School | -24% | 10.6:1 |
| 36 | Dupont (Pierre S.) Middle SchoolWilmington | 730 | Middle | Brandywine School District | -23% | 10.7:1 |
| 37 | Downes (John R.) Elementary SchoolNewark | 346 | Elementary | Christina School District | -22% | 10.8:1 |
| 38 | Brader (Henry M.) Elementary SchoolNewark | 324 | Elementary | Christina School District | -22% | 10.8:1 |
| 39 | Spring Meadow Early Childhood CenterTownsend | 185 | Elementary | Appoquinimink School District | -22% | 10.9:1 |
| 40 | Mcvey (Joseph M.) Elementary SchoolNewark | 319 | Elementary | Christina School District | -21% | 11:1 |
| 41 | Smith (Jennie E.) Elementary SchoolNewark | 413 | Elementary | Christina School District | -19% | 11.2:1 |
| 42 | Kirk (George V.) Middle SchoolNewark | 612 | Middle | Christina School District | -19% | 11.3:1 |
| 43 | Laurel Middle SchoolLaurel | 373 | Middle | Laurel School District | -19% | 11.3:1 |
| 44 | North Laurel Early Learning AcademyLaurel | 273 | Other | Laurel School District | -18% | 11.4:1 |
| 45 | Hartly Elementary SchoolHartly | 240 | Elementary | Capital School District | -18% | 11.4:1 |
| 46 | Dupont (Alexis I.) High SchoolWilmington | 550 | High | Red Clay Consolidated School District | -17% | 11.5:1 |
| 47 | Castle Hills Elementary SchoolNew Castle | 462 | Elementary | Colonial School District | -17% | 11.6:1 |
| 48 | New Castle Elementary SchoolNew Castle | 383 | Elementary | Colonial School District | -17% | 11.6:1 |
| 49 | Mariner Middle SchoolMilton | 552 | Middle | Cape Henlopen School District | -16% | 11.7:1 |
| 50 | Keene (William B.) Elementary SchoolNewark | 408 | Elementary | Christina School District | -16% | 11.7:1 |