Sports
CIF-Southern Section Boys Tennis Rankings
Diamond Bar High School is in the top ten in the CIF Division 2 poll.

Listed below are the CIF Top 10 rankings in boys tennis for the week of April 18, 2011:
BOYS TENNIS
DIVISION 2
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- Palm Desert
- Arcadia
- Santa Monica
- Valencia/V
- Villa Park
- Walnut
- Foothill
- Diamond Bar
- Arroyo Grande
- Beverly Hills
Others: El Dorado, Rowland, West Ranch
DIVISION 3
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- Temecula Valley
- Sage Hill
- Valencia/P
- Redlands
- Whitney
- Pacifica
- Oaks Christian
- Long Beach Poly
- Lakeview
- Los Osos
Others: St Margaret’s, JW North, Great Oak
DIVISION 4
- Viewpoint
- Paramount
- Laguna Beach
- Santa Ynez
- Westminster
- La Quinta/W
- Cate
- Dunn
- Segerstrom
- Linfield Christian