| University Preparatory Science and Math PSAD Middle School | 513 | regular | middle |
| University Preparatory Value High | 493 | regular | high |
| University School | 635 | regular | other |
| University Schools | 1,784 | regular | other |
| University Terrace Elementary School | 153 | regular | elementary |
| University View Academy Inc. (FRM LA Connections) | 3,725 | regular | other |
| University Yes Academy | 388 | regular | other |
| UNLIMITED VISIONS AFTERCARE | 15 | alternative | other |
| UNM MIMBRES SCHOOL | 23 | alternative | other |
| UNQUA ELEMENTARY SCHOOL | 496 | regular | elementary |
| Unsworth (Edith) Elementary | 633 | regular | elementary |
| UP Academy Charter School of Boston | 213 | regular | middle |
| UP Academy Charter School of Dorchester | 640 | regular | other |
| UP Academy Holland | 641 | regular | other |
| Up North Learning Center | 13 | special-ed | other |
| UPCHURCH ELEMENTARY | 402 | regular | other |
| Upchurch Elementary | 646 | regular | other |
| UpGrade Media Arts Schools | 7 | vocational | other |
| UPHAUS EARLY CHILDHOOD CENTER | 246 | regular | other |
| Upland Colony Elementary - 05 | 42 | regular | elementary |
| Upland Elementary | 404 | regular | elementary |
| UPLAND HEIGHTS EL | 652 | regular | other |
| Upland High | 2,797 | regular | high |
| Upland Junior High | 599 | regular | middle |
| Upland Terrace School | 477 | regular | other |
| UPLIFT ASCEND | 864 | regular | other |
| UPLIFT ASCEND MIDDLE | 401 | regular | other |
| UPLIFT ATLAS PREPARATORY - H S | 503 | regular | high |
| UPLIFT ATLAS PREPARATORY - MIDDLE | 422 | regular | middle |
| UPLIFT ATLAS PREPARATORY - PRI | 643 | regular | other |
| Uplift Community High School | 224 | regular | high |
| UPLIFT CRESCENDO PREPARATORY PRI | 532 | regular | other |
| UPLIFT EDUCATIION-NORTH HILLS PREP PRI | 644 | regular | elementary |
| UPLIFT EDUCATION - INFINITY PREPARATORY MIDDLE SCH | 357 | regular | middle |
| UPLIFT EDUCATION - INFINITY PREPARATORY PRI | 489 | regular | other |
| UPLIFT EDUCATION - UPLIFT GRAND PREPARATORY | 727 | regular | other |
| UPLIFT EDUCATION-NORTH HILLS PREP H S | 522 | regular | high |
| UPLIFT EDUCATION-NORTH HILLS PREP MIDDLE | 502 | regular | middle |
| UPLIFT ELEVATE PREPARATORY MIDDLE | 267 | regular | other |
| UPLIFT ELEVATE PREPARATORY SCHOOL | 650 | regular | other |
| UPLIFT GRADUS PREPARATORY | 597 | regular | other |
| UPLIFT GRAND H S | 385 | regular | high |
| UPLIFT GRAND SECONDARY | 446 | regular | middle |
| UPLIFT HAMPTON PREPARATORY H S | 414 | regular | high |
| UPLIFT HAMPTON PREPARATORY MIDDLE | 510 | regular | middle |
| UPLIFT HAMPTON PREPARATORY PRI | 712 | regular | other |
| UPLIFT HEIGHTS PREPARATORY H S | 497 | regular | high |
| UPLIFT HEIGHTS PREPARATORY MIDDLE | 448 | regular | middle |
| UPLIFT HEIGHTS PREPARATORY PRI | 944 | regular | other |
| UPLIFT INFINITY H S | 357 | regular | high |