Skip to main content

Los Osos High School

Chaffey Joint Union High School District

  • Make changes to the header and footer on the "Edit Header and Footer" tab on the left.


    Mr. Kirk

    Mr. Kirk

    School News

    Principal's Message

    Dear Grizzly Nation,

    Wow! This school year is going by so fast!  I have enjoyed seeing our Grizzlies work hard in and out of the classroom in order to see our vision become a reality.  That vision is, “all students will graduate ready for college and careers.”  That is what drives us as a staff and that is why each and every one of our students are important. 

    As we wrap up the third quarter, the focus shifts to gearing up for the final push of the school year with important events such as prom, CAASPP/CAST Testing, our upcoming WASC visit, AP Exams and yes, our commencement ceremony.   

    We take pride in our school and the development of our students’ academic success.  This is why our teachers have been working extremely hard to prepare our students for the CAASPP and AP Exams.  Both of these exams are used by our state as part of the California Dashboard which uses five state indicators in order to measure the success continued progress of our school.

    All of our junior Grizzlies will be taking the CAASPP, all of our senior Grizzlies will be taking the California Science Test (CAST) and many of our 9th – 12th graders will be taking AP Exams.  I want to encourage you all to get plenty of rest before testing days, eat a healthy breakfast and give your best effort! I want all of our Grizzlies to go into this testing season full of confidence in your preparation and abilities.  Below are the dates for these exams.

    Important Dates to Remember


    CAST Test (12th Grade Only)

    • April 8th & 9th (Science)

          CAASPP Test (11th Grade Only)

    • April 8th – 11th (English)
    • April 16th & 17th (Math)

    AP Exams

    • May 6th – 17th


    • April 6th (House of Blues)

    WASC Accreditation Visit

    • LOHS welcomes our WASC accreditation visiting team who will be visiting our campus from April 28th - May 1st.

     Our spring sports season has started with Boys Tennis, Softball, Baseball, Golf, Swim & Dive and Track & Field all looking to have strong seasons.  In addition, our Arts Programs are still preparing for upcoming drama productions, chorale and band performances, art exhibits and the spring dance show.  I encourage Grizzly Nation to come out and attend these events.  

    I am proud of the hard work I have seen so far, but we are not done yet.  Let’s finish the year strong Grizzlies and stay on track to truly be college and career ready! 

    Claws Up!  

    Mr. Joshua Kirk



    Front of LOHS

    Los Osos High School                                                       A California distinguished school

    Dear Distinguished School Award Recipient,Congratulations on successfully completing the 2013 California Distinguished School application process, and being recognized as one of our 218 California Middle and High Distinguished Schools! This award is a direct reflection of the dedication, hard work, and vision of your school’s educational community, and I am pleased to be able to award this honor to your school.
    This year we will be recognizing the 2013 Distinguished Middle and High Schools along with the Exemplary Program Honors, the 2012 National Blue Ribbon Schools, and the 2013 Title I Academic Achievement Award Schools.
    The news release identifying all the 2013 Distinguished Middle and High Schools is posted online on the CDE website under What’s New. Again, congratulations on receiving Distinguished School recognition. Please note that if you also applied for Exemplary Program honors, it will be announced very soon through a separate news release. If you have any questions regarding this subject, contact the Awards Team at 916-319-0842 or by e-mail at

    Tom Torlakson