Chaffey District Online High School Home

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. It has eight comprehensive high schools, a continuation high school, an online high school, a community day school, an adult school, and alternative programs. The District offers a wide variety of instructional options that provide a quality education for each student, every day. The District's well-prepared, dedicated, and highly qualified teachers and support personnel are second to none.
 
The Chaffey Joint Union High School District Board of Trustees are steadfast in the belief that "Nothing is more important than student learning and their achievement."
 
Our daily purpose encompasses our commitment:
"To provide student learning, and ultimately their achievement, of the prescribed curriculum that takes place in the classroom under the direction of the teacher." The Chaffey District supports this daily act. We realize that our efforts uniquely influence the future of our community and of this nation, and we are passionate about doing whatever it takes to prepare students to be successful and contributing citizens of the 21st century.
 
The Chaffey District has provided a quality education for high school students in the area since 1911. As the District continues to grow and progress, we are poised to meet the challenge of providing the finest quality education possible for every student. 
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All CJUHSD students will graduate ready for college and careers.

Recent News

WeTip - Be the solution

WeTip

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.

Upcoming Events

Board Meeting

Time: 5 PM – 8 PM
Location: Rancho Cucamonga High School

Principal's Message

Julie Prestsater
Dear AEC Families and Students,

We are officially entering the final stretch of the school year — just one quarter away from graduation day! This is an important time, and I want to encourage all students to finish strong. Every assignment, every class period, and every day of attendance matters. The effort you put in now will determine how you cross the finish line in May.

After Spring Break, the Alternative Education Center will begin state testing season. CAASPP assessments are an important opportunity for our students to demonstrate their growth and achievement. Juniors will be assessed in English and Mathematics, and seniors will complete the Science assessment.

Our teachers have been preparing students with care and intention, and I am confident that our students are ready. We are proud of the work happening in our classrooms every single day.

Students: Be present. Be on time. Be engaged. Ask questions. Ask for help. Whether it’s academics, attendance, or personal support — we are here for you.

Parents and Guardians:
Please continue to monitor your student’s attendance, grades, and credit completion through Aeries and Canvas. If you have questions or concerns, reach out. A quick phone call or email can make a big difference as we head into the final quarter.

State testing will take place during the following windows:
 
Chaffey District Online (CDOHS)
March 23, 2026 - April 17, 2026
Valley View High School, CDS, & CSOP
April 21- May 7, 2026
 
ELPAC Testing:
April 6, 2026 
 
Please ensure students are present, on time, and well-rested on their scheduled testing days. Juniors will complete English Language Arts and Mathematics assessments, and seniors will complete the Science assessment.
 
These assessments provide valuable information about student growth and help us evaluate how well we are supporting academic achievement across the AEC.
 
Graduation Rewards: Honor Cords & Extra Tickets
Seniors have the opportunity to earn special graduation rewards!

Students may earn:
1 Honor Cord + 1 Extra Ticket for completing a 4-semester CTE pathway (Ornamental Horticulture or Digital Photography)
1 Honor Cord + 1 Extra Ticket for passing two college dual enrollment courses (must appear on your high school transcript)
1 Extra Ticket for completing the FAFSA or Dream Act application
 (Opt-out forms do not qualify for this reward.)
Students who complete all three categories can earn a total of:
2 Honor Cords & 3 Extra Graduation Tickets

Deadlines:
FAFSA/Dream Act confirmation email must be submitted by April 30, 2026
Transcript-based verifications deadline: May 15, 2026

We encourage all seniors to maximize these opportunities!

Graduation Pictures
Graduation photo day is quickly approaching!
Date: Wednesday, March 18, 2026
Location: Valley View High School MPR
10:00 AM – 1:00 PM: Current Seniors
3:30 PM – 5:00 PM: All Students, Including Recent Graduates
Cost: $50.00

Please plan accordingly and arrive on time for your scheduled session.

Graduating seniors and families — please continue to check your email regularly for important graduation updates, rehearsal details, and ceremony reminders. We do not want you to miss anything as we prepare to celebrate this incredible milestone.

Let’s continue to champion one another through the remainder of the school year. At the AEC, we create opportunities, build connections, and show each other grace — especially during this important season.

We believe in you. Let’s finish strong.

Sincerely,

Mrs. Prestsater
Principal, Alternative Education Center