Los Osos High School

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Los Osos High School
Type Public
Established 2001
School district Chaffey Joint Union High School District
Principal Ms. Susan Petrocelli
Grades 912
Enrollment 4,161
Color(s)      Navy Blue
     Carolina Blue
Team name Grizzlies
Rival Rancho Cucamonga High School

The Grizzly Gazette (official)

The Alternative (independent)
Yearbook Montivagus

Los Osos High School is a public high school located in the city of Rancho Cucamonga in Southern California's Inland Empire in the United States. It operates as part of the Chaffey Joint Union High School District

The Los Osos Regiment[edit]

Under the director of bands, Dr. Sam Andress, Marching Band and Color Guard is a 4 time winner of Las Vegas invitational, a 2008 SCSBOA 5A champions 50th annual Chaffey tournament winner, a 2 time Rowland High School field show winner, and a winner of the Sierra Vista Jazz champions national recognition playing on the USS Midway.

In 2011, the Los Osos Band and Color Guard managed 2nd place at the SCSBOA tournament.

In 2007 & 2012, the Los Osos Band and Color Guard won the SCSBOA 5A tournament with 1st place.

In 2013, the Los Osos Band and Color Guard entered the 6A division for the first time in Los Osos High School history.

The band and color guard attends football games, performances, tournaments, and parades, including Disneyland, Founder's Day, and more.


In the 2009-2010 school year, the speech and debate team had four National Qualifiers, and two members of the team made elimination rounds at Nationals in the same year. In 2010-2011, the school had three Southern California Champions and four National Qualifiers.[1]

Notable alumni[edit]

CIF Championships[edit]

Women's Water Polo - 2009, 2013, 2014

Women's Soccer- 2012

Men's Water Polo- 2008, 2012, 2013

Men's Swimming - 2013, 2014

Alma Mater[edit]

All hail to thee, our Alma Mater,

The blue, the gold, and the white,

And we, thy sons and daughters,

Will always look to thee for light.

Thy spirit rises as the mountain peaks,

From the valleys to the skies.

We'll falter never,

Live forever.

Hail Los Osos High!

Notes and references[edit]

  1. ^ http://nflnationals.org/book/ List of NFL Entries for the National Tournament
  2. ^ "AsianFanatics Forum > 2PM - Nichkhun Horvejkul". Asianfanatics.net. Retrieved 2009-08-09. 
  3. ^ http://articles.latimes.com/2005/may/28/sports/sp-hsbests28

External links[edit]

High School Home Page