| ADM Middle School | 352 | regular | middle |
| Adm Richard E Byrd Elem School | 301 | regular | elementary |
| ADM Senior High School | 666 | regular | high |
| Admiral Arthur W Radford High School | 1,227 | regular | high |
| Admiral Chester W Nimitz Elementary School | 587 | regular | other |
| Admiral King Elementary School | 278 | regular | other |
| Admiral Peary AVTS | 24 | vocational | high |
| ADMIRAL RICHARD E. BYRD MIDDLE | 853 | regular | middle |
| Admiral William F. Halsey Jr. Health & Public Safety Academy | 1,272 | regular | high |
| Adna Elementary School | 265 | regular | other |
| Adna Middle/High School | 369 | regular | other |
| ADOBE ACRES ELEMENTARY | 303 | regular | other |
| Adobe Bluffs Elementary | 586 | regular | elementary |
| Adobe Middle School | 668 | regular | middle |
| Adolfo Camarillo High | 1,969 | regular | high |
| Adolph Link Elem School | 652 | regular | elementary |
| Adrian Burnett Elementary | 563 | regular | elementary |
| Adrian Community High School | 40 | alternative | high |
| ADRIAN ELEM. | 314 | regular | other |
| ADRIAN ELEMENTARY | 295 | regular | other |
| Adrian Elementary School | 265 | regular | elementary |
| Adrian Elementary School | 210 | regular | elementary |
| Adrian High School | 804 | regular | other |
| Adrian High School | 83 | regular | high |
| ADRIAN MIDDLE | 139 | regular | middle |
| ADRIAN SCHOOL | 141 | regular | other |
| ADRIAN SECONDARY | 155 | regular | high |
| ADRIAN SR. HIGH | 375 | regular | other |
| Adrian Wilcox High | 1,614 | regular | high |
| Adrienne C. Nelson High School | 1,536 | regular | high |
| Adult Education | 10 | alternative | high |
| Adult Education Programs | 4,559 | alternative | high |
| Adult Transition Program | 11 | special-ed | high |
| Adult Transition Services | 76 | special-ed | high |
| ADULT TRANSITION SERVICES | 22 | alternative | high |
| AdVance Academy | 112 | alternative | other |
| ADVANCE ELEM. | 240 | regular | elementary |
| ADVANCE HIGH | 188 | regular | other |
| Advanced Community Experience Program | 10 | special-ed | high |
| Advanced Learning Academy | 363 | regular | other |
| ADVANCED LEARNING ACADEMY | 1,087 | regular | other |
| Advanced Learning Academy of Wisconsin | 35 | regular | other |
| Advanced Math and Science Academy Charter School | 970 | regular | other |
| Advanced Technologies Academy HS | 1,225 | regular | high |
| Advanced Technology Academy | 1,207 | regular | other |
| ADVANTAGE ACADEMY | 972 | regular | other |
| ADVANTAGE ACADEMY OF HILLSBOROUGH | 457 | regular | other |
| Advantage Alternative Program | 150 | alternative | other |
| Advantage Arts Academy | 354 | regular | elementary |
| Advantage Charter Academy | 743 | regular | elementary |