Math Day at the Beach 2012
| 1 | Zach Markos | Francisco Bravo Medical Magnet HS (Los Angeles) |
| 2 | Dillon Zhi | Woodbridge HS (Irvine) |
| 3 | Bryan Brzycki | Troy HS (Fullerton) |
| 4 | Kevin Zhang | Havard-Westlake School |
| 5 | Andrew Ma | University HS (Irvine) |
| 5 | Eric Xu | South HS (Torrance) |
| 5 | Larry Zhang | Harvard-Westlake School |
| 8 | Young Hoon (James) Kang | University HS (Irvine) |
| 8 | Donovan Lieu | Arcadia HS |
| 8 | William Xue | University HS (Irvine) |
| 8 | Tony Zhang | San Marino HS |
| Division A | |
| 1 | University HS (Irvine) |
| 2 | Arcadia HS |
| 3 | Troy HS (Fullerton) |
| 4 | Palos Verdes Peninsula HS |
| 5 | San Marino HS |
| 6 | Whitney HS (Cerritos) |
| 7 | Mark Keppel HS (Alhambra) |
| Division B | |
| 1 | Harvard-Westlake School |
| 2 | North Hollywood HS |
| 3 | Beckman HS (Irvine) |
| 4 | South HS (Torrance) |
| 5 | Woodbridge HS (Irvine) |
The following schools will be in Division A in 2013:
| Arcadia HS |
| Beckman HS (Irvine) |
| Dos Pueblos HS (Goleta) |
| Harvard-Westlake School |
| Mark Keppel HS (Alhambra) |
| North Hollywood HS |
| Oxford Academy (Cypress) |
| Palos Verdes Peninsula HS |
| San Marino HS |
| Troy HS (Fullerton) |
| University HS (Irvine) |
| Whitney HS (Cerritos) |
