Spring Final Exam Schedule

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Montclair 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

Course Previews

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Upcoming Events

School Facts

  • 69% of Montclair High School graduates meet the University of California and California State University A-G admissions requirements, making it a leader in San Bernardino County.
  • 88% of freshmen at Montclair High School complete their first year of high school on track to graduate.
  • The CJUHSD has been named a Top Workplace by the Press-Enterprise and Inland News Group.
  • 1000 Advanced Placement exams are administered to students at Montclair High School annually.

Principal's Message

Mr. Cho

We are almost at the end of the school year!  It has been a year full of successes and challenges, with plenty of highlights along the way. Thank you for pushing through and making it this far. In these last few weeks, I hope that all of you try your absolute best to finish your classes strong. Please take advantage of all the opportunities to prepare for end-of-semester assessments and projects. This year, we are planning a single event in-person graduation ceremony. We can’t wait to present the diplomas to our hard working seniors! Our summer school will be broad and comprehensive and will offer enhanced sections to provide remediation and enrichment opportunities for our returning students. 

Here are the dates for the main upcoming events:
Senior Finals - May 17 - 23, 2022
Graduation - May 24, 2022 at 6:30 PM at MHS Stadium
Finals for 9th, 10th, & 11th grades - May 23 - 25, 2022
Last Day of School - May 25, 2022
Summer School - June 1 - 30, 2022
During the summer, we will send out our Registration packets and we will look to continue all communication lines to help you prepare for the 2022-2023 school year. 

I am so excited for all the great things ahead for Montclair High School!

Your proud principal,

Joshua Cho