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ALLmeansALL! Walnut Valley USD is proud to be a National Schools to Watch District with numerous National Blue Ribbon, California Gold Ribbon, and California Distinguished School awards. Our motto is KIDS FIRST... Every Student, Every Day!  

Diamond Bar, Walnut Named ‘America’s Most Challenging Schools’

NEWS                                                                                    Walnut Valley Unified School District

FOR IMMEDIATE RELEASE                                                    880 S. Lemon Avenue

May 25, 2016                                                                         Walnut, CA 91789



Kelli Gile, Office of Community Resources

(909) 595-1261 ext. 31204


Diamond Bar, Walnut High Schools Named ‘America’s Most Challenging Schools’

WALNUT, CA—Walnut Valley Unified School District is pleased to announce that Diamond Bar and Walnut High Schools have made the listing of “2016 America’s Most Challenging High Schools” by The Washington Post.

“Our exemplary high schools continue to be recognized on a national stage for preparing students to be academically competitive for the next chapter in their lives,” said Superintendent Dr. Robert Taylor.

“We are honored that Diamond Bar and Walnut have been named among the nation’s most rigorous high schools!”

Diamond Bar scored 59th in California and 537th in the nation and Walnut scored 63rd in California and 568th in the nation.

Schools are ranked through the College Index formula, invented by education columnist Jay Mathews, that is a simple ratio: the number of Advanced Placement and International Baccalaureate tests given at a school in 2015 divided by the number of graduates.

Schools with ratios of 1.00 or above made the list, with approximately 22,000 U.S public high schools included this year.


Diamond Bar and Walnut High Schools are ranked among America’s Most Challenging High Schools by The Washington Post. Shown: 2016 DBHS Super Star Seniors Garrett Masuda, Meanna Gray, Miriam Sun, and Jeff Chow