How do I get my aeries Parent Portal?
To get your Aeries Parent Portal, please complete the below form and return to the Los Osos High School office staff. It appears you don't have a PDF plugin for this browser.
Why choose cjuhsd?
Review School Opening and Safety Information and a Guide to Distance Learning. 60% of CJHUSD graduates meet the University of California and California State University A-G admissions requirements, making it a leader in San Bernardino County. 90% of freshmen in the CJUHSD complete their first year of high school on track to graduate.
How many AP exams are administered in the cjuhsd?
9000 Advanced Placement exams are administered to students in the CJUHSD annually. The Chaffey Joint Union High School District serves the communities of Ontario, Montclair, Rancho Cucamonga, and portions of Fontana, Upland, Chino, and Mount Baldy.
How do I contact cjuhsd community crisis response?
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. CJUHSD Cares About You!

Superintendent's Message
We have made it to the end of the year and first semester! I hope everyone enjoyed a relaxing and happy Winter Break.
Recent News
Review School Opening and Safety Information and a Guide to Distance Learning.
About Us
The Chaffey Joint Union High School District serves the communities of Ontario, Montclair, Rancho Cucamonga, and portions of Fontana, Upland, Chino, and Mount Baldy. With approximately 24,000 students, the District is the second largest high school district in California.
Aeries Student Portal - Use This to Check Your Class Schedule
Enter your district email address which is: Your Long ID + @cjuhsd.net ( LongID@cjuhsd.net)
Paper Tutoring - Free Online Tutoring
It appears you don't have a PDF plugin for this browser. Please download the PDF file.
Technology Help Line
Having trouble with technology? Contact the CJUHSD Technology Help Line!
Textbooks
Username: LongID@cjuhsd.net Password: ShortIDPwd (case sensitive - Uppercase 'P')
About Us
The Chaffey Joint Union High School District serves the communities of Ontario, Montclair, Rancho Cucamonga, and portions of Fontana, Upland, Chino, and Mount Baldy. With over 25,000 students, the District is the fourth largest high school district in California.
Recent News
Be the Solution. If you have information regarding crime or misconduct at your school, call WeTip anonymously.
Principal's Message
Welcome back! I hope you had a restful Winter Break and that you’re excited about second semester.
