| K B POLK CENTER FOR ACADEMICALLY TALENTED & GIFTED | 427 | regular | other |
| K C HEFFERNAN ELEMENTARY SCHOOL | 471 | regular | other |
| K D Waldo Middle School | 729 | regular | middle |
| K E KAUFMAN ALTERNATIVE EDUCATION CENTER | 177 | alternative | other |
| K William Harvey Elem | 378 | regular | other |
| K-12 Ellensburg Learning Center | 148 | alternative | other |
| K-5 Elementary School Lincoln Street Building | 431 | regular | elementary |
| K-8 Learning Lab | 122 | regular | elementary |
| K. E. CUNNINGHAM/CANAL POINT ELEMENTARY | 283 | regular | other |
| K. I. Jones Elementary | 760 | regular | elementary |
| K. Johnson D. Vaughan and M. Jackson STEM Academy | 740 | regular | high |
| K. T. Murphy School | 390 | regular | elementary |
| K.R. Hanchey Elementary School | 353 | regular | other |
| K.U.S.D.#27 - A B C Preschool | 53 | regular | other |
| KA @ The Crossings | 400 | regular | other |
| Ka Umeke Kaeo - PCS | 292 | regular | other |
| Ka Waihona o ka Naauao - PCS | 707 | regular | elementary |
| Ka'ohao Public Charter School | 332 | regular | other |
| Kaaawa Elementary School | 129 | regular | other |
| Kaala Elementary School | 381 | regular | other |
| Kachemak Selo School | 30 | regular | other |
| Kachina Elementary School | 273 | regular | other |
| Kadoka Area High School - 01 | 71 | regular | high |
| Kadoka Elementary - 02 | 118 | regular | other |
| Kadoka Middle School - 03 | 51 | regular | middle |
| Kae Avenue Elementary School | 650 | regular | other |
| KAEGEBEIN SCHOOL | 420 | regular | elementary |
| Kaehkenawapahtaeq | 30 | regular | other |
| Kaelepulu Elementary School | 188 | regular | other |
| Kaewai Elementary School | 257 | regular | other |
| KAFFIE MIDDLE | 1,154 | regular | middle |
| Kagel Elementary | 292 | regular | other |
| Kahakai Elementary School | 507 | regular | other |
| Kahala Elementary School | 273 | regular | other |
| Kahaluu Elementary School | 249 | regular | other |
| KAHLA MIDDLE | 1,126 | regular | middle |
| Kahler Middle School | 971 | regular | elementary |
| KAHLIL GIBRAN SCHOOL | 539 | regular | other |
| Kahlotus Elem & High | 59 | regular | other |
| KAHOA ELEMENTARY SCHOOL | 432 | regular | other |
| Kahre Marc ES | 372 | regular | other |
| Kahuku Elementary School | 339 | regular | other |
| Kahuku High & Intermediate School | 1,433 | regular | other |
| Kahului Elementary School | 795 | regular | other |
| Kailua Elementary School | 267 | regular | other |
| Kailua High School | 795 | regular | high |
| Kailua Intermediate School | 749 | regular | middle |
| Kaimiloa Elementary School | 677 | regular | other |
| Kaimuki High School | 520 | regular | high |
| Kaimuki Middle School | 1,019 | regular | middle |