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. 
About Us Image
All CJUHSD students will graduate ready for college and careers.

Recent News

Upcoming Events

Board Meeting

Time: 12 PM – 2 PM
Location: Los Osos High School

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

Azande Aikens
Hello Cougars,
 
It’s hard to believe we are already in the final weeks of the school year. This is always one of the most exciting times on campus, and I want to thank our students for the energy, effort, and commitment they have shown all year long. We are especially looking forward to celebrating the Class of 2026 as they get ready to cross the stage. It’s a special moment, and one we are proud to share as a Cougar community.
 
This time of year always highlights the best of Rancho. Whether it’s on the field, in the classroom, or on the stage, our students continue to represent our school with pride. It’s been great to see so many moments of growth, achievement, and Cougar spirit across campus.
 
As we head into finals, the focus is simple. Stay consistent and finish strong. Keep showing up, stay engaged, and take advantage of the support around you. Teachers are here to help, and a little extra effort now can make a big difference.
 
Important Upcoming Dates
AP Exams:  May 4 – May 15
 
Senior Events
Senior Finals: Wednesday, May 13 – Tuesday, May 19
Senior Sunset: Monday, May 18
Graduation: Wednesday, May 20 at 6:30 p.m. – Cougar Stadium
Grad Night at Universal Studios: Thursday, May 21
 
Semester Two Final Exams (Grades 9–11)
Day 1 – Tuesday, May 19:
Period 3 (8:30–10:30 a.m.)
Period 6 (10:50 a.m.–12:50 p.m.)

Day 2 – Wednesday, May 20:
Period 2 (8:30–10:30 a.m.)
Period 5 (10:50 a.m.–12:50 p.m.)

Day 3 – Thursday, May 21:
Period 1 (8:30–10:30 a.m.)
Period 4 (10:50 a.m.–12:50 p.m.)
 
Summer School
Session Dates: May 27 – June 25, 2026

Please mark these dates and plan for a smooth finish to the year. Thank you to our students for the pride you bring to Rancho each day, and to our families for your continued support. We’re looking forward to closing out the year on a strong note together.

Cougar Pride,

Azande Aikens
Principal
Rancho Cucamonga High School