Chaffey Community Day 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


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

Principal's Message

Julie Prestsater
Dear AEC Students & Families,
Thank you for a strong start to the 2023-2024 school year! We’re halfway through our first Credit Check at Valley View—and our first progress check at the rest of our schools and programs—and I want to encourage you to keep pushing ahead.
As we move forward, I encourage students to set important goals such as getting to school on time, working hard and being present in class, and spending extra time at home to complete your coursework. I also encourage students to get involved and get moving by taking ROP, Adult School, or community college courses as well as get in daily exercise and plenty of rest to stay healthy. Your AEC Family is here to help you stay connected and provide you with the resources you need to be successful. Please check your school email daily for announcements, events, and messages about school activities and opportunities.
I’d also like to remind parents and guardians that our doors are always open. Stop by and visit me, our admin team, or our counselors any time to ask questions and to receive updates on your student’s progress. We always look forward to working with families as a team to support our students. If you have not already done so, please contact the front office to ensure we have your email address and cell phone number. This is extremely important so you can receive announcements from us throughout the year. We can also help you get set up with email, Aeries Parent Portal, and/or ParentSquare if you don’t already have an account.
It is my honor to work with such fantastic students and our amazing staff to make the Alt Ed Center a welcoming environment for all. I look forward to a wonderful school year.
Mrs. Prestsater