| Independent Open - (IO) |
|---|
| Élan Winterguard |
| Emerald |
| Independent World - (IW) |
|---|
| Icon Winter Guard |
| Scholastic A - (SA) |
|---|
| La Mirada HS Varsity |
| Los Alamitos HS |
| Scholastic AA - (SAA) |
|---|
| Brea Olinda HS |
| Patriot HS |
| Riverside Poly HS |
| Woodbridge HS Varsity |
| Scholastic AAA - (SAAA) |
|---|
| Herbert Hoover HS |
| La Habra HS |
| South Hills HS |
| Scholastic Open - (SO) |
|---|
| Canyon HS (OC) |
| Scholastic World - (SW) |
|---|
| Arcadia HS |
| El Dorado HS |
| WGASC HS A - (HSA) |
|---|
| Mayfair HS |
