Rancho Cucamonga 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

Summer School

View the 2023 Summer School calendar and bell schedule.

Upcoming Events

School Facts

  • 80% of Rancho Cucamonga High School graduates meet the University of California and California State University A-G admissions requirements, making it a leader in San Bernardino County.
  • 95% of freshmen at Rancho Cucamonga 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.
  • 1300 Advanced Placement exams are administered to students at Rancho Cucamonga High School annually.

Principal's Message

Mr. Kirk
Rancho Family, 

Welcome back! I hope you had a restful Winter Break and that you’re excited about second semester.   
As we begin this New Year, take time to reflect on this past year/semester and set some academic and personal goals. Remember: you are starting fresh. Put into practice the habits and strategies that will keep you ahead of the game.   

Keep in mind all the resources that are available to help you be successful: 

After school tutoring 
Paper Tutoring Services 
G.O.A.L. Saturday Schools 
Canvas/Parent Square 
Counselors and Teachers
Peer Counselors 
As a reminder, school is not in session on the following dates: 

January 16th   – MLK JR. Day 
February 13th  – Lincoln’s Day 
February 20th  – Presidents Day 
March 27th  – 31st – Spring Break  

I wish all our winter athletes and performers the best of luck with the current season of games and performances. 
Cougars remember to stay safe, remain focused and continue to strive for excellence in all areas of your life. 
I am looking forward to seeing the amazing things our school, students, and community will accomplish in 2023! 
Bleed Purple, 
Mr. Kirk 
Rancho Cucamonga High School