CSBC Championships - 2A/5A Semi Finals
Saturday, November 10, 2018 - El Modena High School
| Group Name | Class | Perform | Band Gate Time | Pit Gate Time |
| Apple Valley High School | 2A | 10:00 AM | 9:52 AM | 9:45 AM |
| Carter High School | 2A | 10:13 AM | 10:05 AM | 9:58 AM |
| La Sierra High School | 2A | 10:26 AM | 10:18 AM | 10:11 AM |
| Castle Park High School | 2A | 10:39 AM | 10:31 AM | 10:24 AM |
| Jurupa Hills High School | 2A | 10:52 AM | 10:44 AM | 10:37 AM |
| Pomona High School | 2A | 11:05 AM | 10:57 AM | 10:50 AM |
| Fullerton Union High School | 2A | 11:18 AM | 11:10 AM | 11:03 AM |
| BREAK | 11:31 AM | |||
| Mater Dei High School Monarch Marching Band and Color Guard. | 2A | 11:44 AM | 11:36 AM | 11:29 AM |
| Banning High School | 2A | 11:57 AM | 11:49 AM | 11:42 AM |
| Montclair High School | 2A | 12:10 PM | 12:02 PM | 11:55 AM |
| El Modena High School | 2A | 12:23 PM | 12:15 PM | 12:08 PM |
| West Valley High School | 2A | 12:36 PM | 12:28 PM | 12:21 PM |
| Pacifica High School | 2A | 12:49 PM | 12:41 PM | 12:34 PM |
| Edison High School | 2A | 1:02 PM | 12:54 PM | 12:47 PM |
| AWARDS - 2A | 1:30 PM | |||
| Orange Vista Band & Color Guard | 5A | 2:15 PM | 2:07 PM | 2:00 PM |
| San Jacinto High School | 5A | 2:30 PM | 2:22 PM | 2:15 PM |
| Godinez High School | 5A | 2:45 PM | 2:37 PM | 2:30 PM |
| Rubidoux High School | 5A | 3:00 PM | 2:52 PM | 2:45 PM |
| Summit High School | 5A | 3:15 PM | 3:07 PM | 3:00 PM |
| Centennial High School | 5A | 3:30 PM | 3:22 PM | 3:15 PM |
| Imperial High School | 5A | 3:45 PM | 3:37 PM | 3:30 PM |
| Westminster High School | 5A | 4:00 PM | 3:52 PM | 3:45 PM |
| Claremont High School | 5A | 4:15 PM | 4:07 PM | 4:00 PM |
| Sierra Vista High School | 5A | 4:30 PM | 4:22 PM | 4:15 PM |
| BREAK | 4:45 PM | |||
| Millikan High School | 5A | 5:45 PM | 5:37 PM | 5:30 PM |
| San Dimas High School | 5A | 6:00 PM | 5:52 PM | 5:45 PM |
| La Habra High School | 5A | 6:15 PM | 6:07 PM | 6:00 PM |
| Marina High School | 5A | 6:30 PM | 6:22 PM | 6:15 PM |
| Crescenta Valley High School | 5A | 6:45 PM | 6:37 PM | 6:30 PM |
| Frontier High School | 5A | 7:00 PM | 6:52 PM | 6:45 PM |
| Lakeside High School | 5A | 7:15 PM | 7:07 PM | 7:00 PM |
| Gahr High School | 5A | 7:30 PM | 7:22 PM | 7:15 PM |
| Scripps Ranch High School | 5A | 7:45 PM | 7:37 PM | 7:30 PM |
| AWARDS - 5A | 8:30 PM | |||