Math Day at the Beach 2011
| 1 | Yin, Kevin | San Marino HS |
| 2 | Brzycki, Bryan | Troy HS (Fullerton) |
| 3 | Watari, Raku | Independents 1 |
| 4 | Wu, Simon | University HS (Irvine) |
| 5T | Wang, Yue (Henry) | Whitney HS (Cerritos) |
| 5T | Xue, William | University HS (Irvine) |
| 7T | Dinh, Edward | University HS (Irvine) |
| 7T | Kanne, Sean | Independents 1 |
| 7T | Lee, Sae Hwan (Ethan) | Palos Verdes Peninsula HS |
| 10T | Ng, Lawrence | Whitney HS (Cerritos) |
| 10T | Ramirez, Alexander | Troy HS (Fullerton) |
| 10T | Weng, Alicia | North Hollywood HS |
| Rank | School |
| Division A | |
| 1 | University HS (Irvine) |
| 2 | Troy HS (Fullerton) |
| 3 | San Marino HS |
| 4 | Whitney HS (Cerritos) |
| 5 | Arcadia HS |
| Division B | |
| 1 | Mark Keppel HS (Alhambra) |
| 2 | Oxford Academy (Cypress) |
| 3 | Cypress HS |
| 4 | Chadwick School (Palos Verdes) |
| 5 | Beckman HS (Irvine) |
The following schools will be in Division A in 2012:
| University HS (Irvine) |
| Troy HS (Fullerton) |
| San Marino HS |
| Whitney HS (Cerritos) |
| Arcadia HS |
| Palos Verdes Peninsula H |
| Dos Pueblos HS (Goleta) |
| Mark Keppel HS (Alhambra) |
| Oxford Academy (Cypress) |
| Diamond Bar HS |
