Booster Club Meeting!! Our Next Booster Club Meeting is Tuesday, December 1, 2015 @ 6:30PM   [More Info]
  • E n t e r i n g T h e " H o m e & F i e l d " of " T h e M i g h t y G r i z z l i e s "
  • Recognition as one of USA's Finest Schools
  • L o s O s o s " A L L - I N " G r i z z l i e s
  • 05', 06', 07' & 09' Baseline League Champs - 09' CIF Finalists
  • H a r d W o r k " H - W - P - O " P a y s O f f

Option One Plumbing & Rooter


 E n t e r i n g   t h e   F i e l d   o f   t h e   M i g h t y   G r i z z l i e s 
Welcome to the Los Osos High School Grizzly Den website.

We are located in the city of Rancho Cucamonga
 in Southern California.  Los Osos is part

of the Chaffey Joint Union High School District.  The coaching staff, led by head coach

Kevin Price,
welcomes all visitors.  Whether you are a player, parent, grandparent,

coach or a fan, we hope
you will find the information on the website useful and informative.

 The website will be used to inform the Los Osos Football family and fans about our great
Football organization.  This website has been created with the help and financial support of the
Los Osos Football "Grizzly Den" Booster club.  The 2015-2016 Grizzly Den Board of Directors,
 would also like to extend their welcome to all who visit this website.
Please visit the "Grizzly Boosters" webpage to learn more about our Booster Club.

  Contact us:




Our Calendars have been updated to reflect our current practice schedule along with some upcoming events. All of these dates are tentative and subject to change at any time without prior notice. We will communicate directly with the players when there will be a change in the calendar and we will do our best to update all calendars on this site, twitter and facebook as quickly as possible. 
                                Please check back often
because changes can happen.





Click Here to see the latest Email Announcements  

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Los Osos High School Football
6001 Milliken Ave., Rancho Cucamonga, CA 91737  (909) 477-6900


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 10808 Foothill Blvd, STE160 #177
Rancho Cucamonga, CA 91730