| Team | Changes |
|---|---|
| Brophy Prep | |
| Casa Grande | |
| Corona del Sol | |
| Desert Vista | |
| Millennium | |
| Sunnyslope | |
| Vista Grande |
| Team | Changes |
|---|---|
| Boulder Creek | |
| Liberty | |
| Mountain Ridge | |
| Pinnacle | |
| Sandra Day O'Connor |
| Team | Changes |
|---|---|
| Dobson | |
| Mesa | |
| Mountain View, Mesa | |
| Red Mountain | |
| Skyline | |
| Westwood |
| Team | Changes |
|---|---|
| Desert Ridge | |
| Gilbert | |
| Highland | |
| Higley | |
| Queen Creek | Was Division I East Valley. |
| Williams Field |
| Team | Changes |
|---|---|
| Alhambra | |
| Camelback | |
| Carl Hayden | |
| Cesar Chavez | |
| Maryvale | |
| South Mountain | |
| Trevor G. Browne |
| Team | Changes |
|---|---|
| Apollo | |
| Centennial | |
| Independence | |
| Sunrise Mountain |
| Team | Changes |
|---|---|
| AZ College Prep | |
| Basha | |
| Casteel | Was Division I Southwest. |
| Chandler | |
| Hamilton | |
| Perry |
| Team | Changes |
|---|---|
| Canyon View | |
| Copper Canyon | |
| Desert Edge | |
| La Joya Community | |
| Shadow Ridge | |
| Tolleson Union | |
| Valley Vista | |
| West Point | |
| Youngker |
| Team | Changes |
|---|---|
| Desert View | |
| Marana | |
| Rincon/University | |
| Sunnyside | |
| Tucson |
| Team | Changes |
|---|---|
| Cibola | |
| Gila Ridge | |
| Kofa | |
| Lake Havasu | |
| San Luis |
| Team | Changes |
|---|---|
| Arcadia | |
| Cactus Shadows | |
| Chaparral | |
| Coronado | Was Division II West Valley. |
| Desert Mountain | |
| Horizon | |
| Marcos de Niza | |
| McClintock | |
| Mountain Pointe | Was Division I Desert Sky. |
| Notre Dame Prep | Was Division I Desert Sky. |
| Paradise Valley | |
| Saguaro | |
| Shadow Mountain | |
| Tempe |
| Team | Changes |
|---|---|
| Agua Fria | |
| Buckeye Union | |
| Dysart | |
| Estrella Foothills | |
| Paradise Honors | |
| Sierra Linda | |
| Somerton | |
| St. John Paul II | |
| Verrado | |
| Westview | |
| Willow Canyon | |
| Yuma |
| Team | Changes |
|---|---|
| ALA - Gilbert North | |
| Apache Junction | |
| Campo Verde | |
| Combs | |
| Crismon | |
| Eastmark | |
| Mesquite | |
| Poston Butte | |
| Seton Catholic Prep |
| Team | Changes |
|---|---|
| Betty H. Fairfax | Was Division II Northwest. |
| Central | Was Division II Northwest. |
| Cortez | Was Division II Northwest. |
| Glendale | Was Division II Northwest. |
| Greenway | Was Division II Northwest. |
| Metro Tech | Was Division II Northwest. |
| Moon Valley | Was Division II Northwest. |
| North | |
| St. Mary's | Was Division II Northwest. |
| Thunderbird | Was Division II Northwest. |
| Washington | Was Division II Northwest. |
| Team | Changes |
|---|---|
| Bradshaw Mountain | |
| Coconino | |
| Flagstaff | |
| Kingman | |
| Lee Williams | |
| Mingus Union | |
| Mohave | |
| Mohave Accelerated | |
| Page | Was Division II Southern. |
| Prescott |
| Team | Changes |
|---|---|
| Canyon Del Oro | |
| Catalina Foothills | |
| Flowing Wells | |
| Ironwood Ridge | |
| Mica Mountain | |
| Mountain View Marana | |
| Sabino | |
| Salpointe Catholic |
| Team | Changes |
|---|---|
| Buena | |
| Cholla | |
| Cienega | |
| Douglas | |
| Nogales | |
| Pueblo | |
| Rio Rico | |
| Sahuarita | |
| Sahuaro | |
| St. Augustine | |
| Walden Grove |
| Team | Changes |
|---|---|
| Barry Goldwater | |
| Cactus | |
| Deer Valley | |
| Ironwood | |
| North Canyon | |
| Peoria | |
| Raymond S. Kellis |