Results
Scores are in from the 2018 WGI Percussion/Winds Temecula Regional.
FINALS
| Scholastic Marching A | ||
| 1 | Foothill HS (NV) (Henderson, Nevada) | 79.800 |
| 2 | South Torrance HS (Torrance, California) | 75.950 |
| 3 | Westminster HS (Westminister, California) | 75.450 |
| 4 | Chaparral HS (Temecula, California) | 73.600 |
| 5 | Savanna HS (Anaheim, California) | 66.700 |
| 6 | South Pasadena HS (South Pasadena, California) | 64.350 |
| 7 | Eastside HS (Lancaster, California) | 0.000 |
| Independent Marching A | ||
| 1 | Cornerstone Percussion (San Diego, California) | 73.450 |
| 2 | Pace Percussion Ensemble (, California) | 72.350 |
| Score | ||
| Scholastic Concert A | ||
| 1 | William Workman HS (City of industry, California) | 74.550 |
| Score | ||
| Scholastic Concert Open | ||
| 1 | Price Charter School (San Jose, California) | 80.000 |
| Score | ||
| Scholastic Marching Open | ||
| 1 | Arcadia HS (Arcadia, California) | 83.950 |
| 2 | Great Oak HS (Temecula, California) | 82.150 |
| 3 | La Quinta HS (Westminister, California) | 81.800 |
| 4 | Fountain Valley HS (Fountain Valley, California) | 77.150 |
| Independent Marching Open | ||
| 1 | Odyssey Indoor Percussion (Costa Mesa, California) | 76.550 |
| 2 | Elan Percussion (Covina, California) | 72.300 |
| Score | ||
| Scholastic Marching World | ||
| 1 | Chino Hills HS (Chino Hills, California) | 89.600 |
| 2 | Etiwanda HS (Rancho Cucamonga, California) | 85.450 |
| 3 | Homestead HS (Cupertino, California) | 80.700 |
| 4 | Vista Murrieta HS (Murrieta, California) | 77.100 |
| Independent Marching World | ||
| 1 | Pulse Percussion (Westminster, California) | 90.200 |
| 2 | POW Percussion (El Monte, California) | 81.650 |
| Scholastic Open Winds | ||
| 1 | La Quinta HS (Westminster, California) | 73.350 |
PRELIMS
| Scholastic Marching A | ||
| 1 | Foothill HS (NV) (Henderson, Nevada) | 78.600 |
| 2 | Westminster HS (Westminister, California) | 75.850 |
| 3 | South Torrance HS (Torrance, California) | 74.550 |
| 4 | Chaparral HS (Temecula, California) | 73.825 |
| 5 | Savanna HS (Anaheim, California) | 65.950 |
| 6 | South Pasadena HS (South Pasadena, California) | 65.325 |
| 7 | Eastside HS (Lancaster, California) | 55.800 |
| Independent Marching A | ||
| 1 | Pace Percussion Ensemble (, California) | 72.400 |
| 2 | Cornerstone Percussion (San Diego, California) | 71.450 |
| Score | ||
| Scholastic Concert A | ||
| 1 | William Workman HS (City of industry, California) | 75.300 |
| Score | ||
| Scholastic Concert Open | ||
| 1 | Price Charter School (San Jose, California) | 74.900 |
| Score | ||
| Scholastic Marching Open | ||
| 1 | Arcadia HS (Arcadia, California) | 83.250 |
| 2 | Great Oak HS (Temecula, California) | 81.200 |
| 3 | La Quinta HS (Westminister, California) | 80.700 |
| 4 | Fountain Valley HS (Fountain Valley, California) | 77.200 |
| Independent Marching Open | ||
| 1 | Odyssey Indoor Percussion (Costa Mesa, California) | 73.900 |
| 2 | Elan Percussion (Covina, California) | 68.900 |
| Score | ||
| Scholastic Marching World | ||
| 1 | Chino Hills HS (Chino Hills, California) | 87.600 |
| 2 | Etiwanda HS (Rancho Cucamonga, California) | 83.050 |
| 3 | Homestead HS (Cupertino, California) | 79.400 |
| 4 | Vista Murrieta HS (Murrieta, California) | 78.450 |
| Independent Marching World | ||
| 1 | Pulse Percussion (Westminster, California) | 87.350 |
| 2 | POW Percussion (El Monte, California) | 80.650 |
| Scholastic Open Winds | ||
| 1 | La Quinta HS (Westminster, California) | 73.200 |