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Los Osos High School
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About Our School
Schoolwide Learning Outcomes
School Plan for Student Achievement
AP/Honors and GATE
2023 AP/Honors Summer Assignments
California Scholarship Federation (CSF)
Career Technical Education (CTE)
Chaffey College Dual Enrollment
Aeries Parent Portal
All Call Messages
Adult Volunteer Opportunities
Classroom Resources for Students
English Learner Advisory Committee (ELAC)
Homeless and Foster Youth Outreach Services
Mental Health and Community Resources
News & Announcements
Finals Week Schedule
Please note the schedule for finals week.
988: Suicide & Crisis Lifeline
If you or someone you know needs support now, call or text 988.
Be the Solution. If you have information regarding crime or misconduct at your school, call WeTip anonymously.
The Chaffey District Cares
The Chaffey District cares about your mental well-being. We partner with community agencies and mental health professionals to provide support to our students and staff. If you, or someone you know, is in crisis please contact the Community Crisis Response Team (909) 421-9233 - Click 'Read Full Story' for more information.
Los Osos High School Cares About You!
CJUHSD Student Hiring Fair
Please sign up for the upcoming Student Hiring Fair.
Upcoming College and Career Events
Please join us for some great College and Career events for Chaffey District students.
View the 2023 Summer School calendar and bell schedule.
Final Exam Schedule
View the 2023 Final Exam Schedule.
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