Results
Scores from the WGI West Percussion/Winds Power Regional at Grand Terrace High School.
PRELIMS - Saturday, March 24
| Scholastic A Winds | ||
| 1 | Whittier HS (Whittier, California) | 77.950 |
| Independent A Winds | ||
| 1 | Valley Christian Performing Indoor Ensemble (San Jose, California) | 85.350 |
| Score | ||
| Scholastic Open Winds | ||
| 1 | La Quinta HS (Westminster, California) | 81.100 |
| Scholastic Concert A | ||
| 1 | St. Genevieve HS (Panorama city, California) | 85.000 |
| 2 | West Ranch HS (Stevenson ranch, California) | 82.950 |
| 3 | William Workman HS (City of industry, California) | 82.400 |
| 4 | Madera HS (Madera, California) | 82.300 |
| Score | ||
| Scholastic Concert Open | ||
| 1 | La Quinta HS (Westminster, California) | 88.200 |
| 2 | Etiwanda HS (Rancho Cucamonga, California) | 87.600 |
| 3 | Martin Luther King HS (Riverside, California) | 84.100 |
| 3 | Notre Dame HS (Sherman oaks, California) | 84.100 |
| Score | ||
| Scholastic Concert World | ||
| 1 | Ayala HS (Chino Hills, California) | 92.300 |
| 2 | Woodbridge HS (Irvine, California) | 90.250 |
| 3 | Rowland HS (Rowland Heights, California) | 86.650 |
| Score | ||
| Scholastic Marching A | ||
| 1 | Temple City HS (Temple City, California) | 85.025 |
| 2 | Gilbert HS (Gilbert, Arizona) | 83.175 |
| 3 | Amador Valley HS (Pleasanton, California) | 82.750 |
| 4 | Chaffey HS (Ontario, California) | 80.475 |
| 5 | Carlsbad HS (Carlsbad, California) | 80.000 |
| 5 | West Ranch HS (Stevenson Ranch, California) | 80.000 |
| 7 | Chaparral HS (Temecula, California) | 79.450 |
| 7 | Vanden HS (Fairfield, California) | 79.450 |
| 9 | Westminster HS (Westminister, California) | 78.850 |
| 10 | South Torrance HS (Torrance, California) | 78.525 |
| 11 | St. Genevieve HS (Panorama city, California) | 78.350 |
| 12 | Enochs HS (Modesto, California) | 78.200 |
| 13 | Torrance HS (Torrance, California) | 77.500 |
| 14 | Lemoore HS (Lemoore, California) | 75.850 |
| 15 | North Pointe Prep (Phoenix, Arizona) | 74.650 |
| 16 | Merced HS (Merced, California) | 74.050 |
| 17 | Madera HS (Madera, California) | 72.825 |
| 18 | Tulare Union HS (Tulare, California) | 72.375 |
| 19 | Savanna HS (Anaheim, California) | 72.225 |
| 20 | Eastside HS (Lancaster, California) | 67.800 |
| 21 | Arbor View HS (Las Vegas, Nevada) | 0.000 |
| Independent Marching A | ||
| 1 | Vegas Vanguard (Las Vegas, Nevada) | 86.500 |
| 2 | Watchmen Percussion (Riverside, California) | 79.950 |
| 3 | Calgary Stampede Showband Indoor Percussion (, Canada) | 78.550 |
| 4 | Pinnacle Percussion (Phoenix, Arizona) | 74.700 |
| 5 | Pace Percussion Ensemble (, California) | 74.450 |
| 6 | Cornerstone Percussion (San Diego, California) | 74.250 |