| Date | Time | Sport | Opponent | Result | Level | Game Type |
| 09/20/2021 | 08:00AM | Golf, Girls | @San Clemente - @ San Clemente Municipal | Varsity | Non-League | |
| 09/20/2021 | 04:00PM | Water Polo, Boys | @El Dorado | Varsity | Non-League | |
| 09/20/2021 | 05:00PM | Water Polo, Boys | @El Dorado | Junior Varsity | Non-League | |
| 09/20/2021 | 03:00PM | Water Polo, Boys | @El Dorado | Frosh/Soph | Non-League | |
| 09/21/2021 | 03:15PM | Tennis, Girls | South Hills | Varsity | League | |
| 09/21/2021 | 03:15PM | Tennis, Girls | @South Hills | Junior Varsity | League | |
| 09/21/2021 | 05:30PM | Volleyball, Girls | South Hills | Varsity | League | |
| 09/21/2021 | 03:00PM | Volleyball, Girls | South Hills | All Levels | League | |
| 09/21/2021 | 04:15PM | Volleyball, Girls | South Hills | Junior Varsity | League | |
| 09/21/2021 | 03:15PM | Volleyball, Girls | South Hills | Frosh/Soph | League | |
| 09/21/2021 | 03:00PM | Golf, Girls | @Walnut - @ Mountain Meadows | Junior Varsity | League | |
| 09/22/2021 | 03:15PM | Water Polo, Boys | Los Altos/Hacienda Heights | Varsity | League | |
| 09/22/2021 | 04:15PM | Water Polo, Boys | Los Altos/Hacienda Heights | Junior Varsity | League | |
| 09/23/2021 | TBA | Water Polo, Boys | TBA - DBHS Bull Run | Varsity | Tournament | |
| 09/23/2021 | 07:00PM | Football (11 man) | Katella | Varsity | Non-League | |
| 09/23/2021 | 03:15PM | Football (11 man) | Katella | Freshman | Non-League | |
| 09/23/2021 | 03:15PM | Tennis, Girls | @Walnut | Varsity | League | |
| 09/23/2021 | 03:15PM | Tennis, Girls | Walnut | Junior Varsity | League | |
| 09/23/2021 | 04:15PM | Volleyball, Girls | @Walnut | Junior Varsity | League | |
| 09/23/2021 | 03:15PM | Volleyball, Girls | @Walnut | Frosh/Soph | League | |
| 09/23/2021 | 06:30PM | Volleyball, Girls | @Walnut | Varsity | League | |
| 09/23/2021 | 03:00PM | Golf, Girls | @Troy - @ Hacienda CC | Varsity | League | |
| 09/23/2021 | 04:00PM | Cross Country, Boys | @TBA - League Meet #1 @ Wilson | Varsity | League | |
| 09/23/2021 | 04:00PM | Cross Country, Girls | @TBA - Meet #1 @ Wilson | Varsity | League | |
| 09/24/2021 | TBA | Water Polo, Boys | TBA - DBHS Bull Run | Varsity | Tournament | |
| 09/24/2021 | 03:15PM | Football (11 man) | @Katella | Junior Varsity | Non-League | |
| 09/25/2021 | TBA | Water Polo, Boys | TBA - DBHS Bull Run | Varsity | Tournament | |
| 09/25/2021 | 08:00AM | Cross Country, Boys | @TBA - Sunny Hills Invite | Varsity | Tournament | |
| 09/25/2021 | 08:00AM | Cross Country, Girls | @TBA - Sunny Hills Invite | Varsity | Tournament | |
| 09/27/2021 | 03:30PM | Golf, Girls | @Rowland - @ Royal Vista | Varsity | League | |
| 09/28/2021 | 04:00PM | Water Polo, Boys | Roosevelt, Eleanor | Varsity | Non-League | |
| 09/28/2021 | 05:00PM | Water Polo, Boys | Roosevelt, Eleanor | Junior Varsity | Non-League | |
| 09/28/2021 | 03:15PM | Water Polo, Boys | Roosevelt, Eleanor | Frosh/Soph | Non-League | |
| 09/28/2021 | 03:15PM | Tennis, Girls | Rowland | Junior Varsity | League | |
| 09/28/2021 | 03:15PM | Volleyball, Girls | @Rowland | Junior Varsity | League | |
| 09/28/2021 | 03:15PM | Volleyball, Girls | @Rowland | Frosh/Soph | League | |
| 09/28/2021 | 03:15PM | Tennis, Girls | @Rowland | Varsity | League | |
| 09/28/2021 | 04:45PM | Volleyball, Girls | @Rowland | Varsity | League | |
| 09/29/2021 | 03:15PM | Water Polo, Boys | @Wilson/Hacienda Heights | Varsity | League | |
| 09/29/2021 | 04:15PM | Water Polo, Boys | Wilson/Hacienda Heights | Junior Varsity | League |
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