LOS OSOS HIGH SCHOOL

Los Osos High is a public high school that is part of the Chaffey Joint Union High school district, located in Rancho Cucamonga, CA with about 3,153 students offering grade levels from 9th Grade to 12th Grade. Student demographics can be found below. With about 121 teachers, Los Osos High has a student/teacher ratio of about 26:1. The national average for public schools is about 15:1. A lower student/teacher ratio is a key factor that determines how much a teacher can devote his/her time to each individual student thus improving, or reducing (in the event of a higher student/teacher ratio) the attention each student is given for their educational needs.

Los Osos High School, located in Rancho Cucamonga, California, is a prominent comprehensive public high school serving the Chaffey Joint Union High School District. Established in 2002, the school serves a large, diverse student body and is well-regarded for its commitment to academic excellence, athletics, and extracurricular engagement. The campus is designed with modern facilities that support a wide range of educational programs, including rigorous Advanced Placement (AP) courses, career technical education, and specialized pathways intended to prepare students for both collegiate and professional futures.

Beyond its academic curriculum, Los Osos High is widely recognized for its vibrant school culture and competitive spirit. The "Grizzlies" maintain a strong reputation in Southern California high school athletics and offer numerous student-led clubs, performing arts programs, and service organizations. By fostering a collaborative environment between staff, students, and the local community, the school aims to cultivate well-rounded individuals who are equipped with the critical thinking and leadership skills necessary for success in a global society.

For more information, contact Los Osos High at (909) 477-6900 or visit the school personally to speak with a faculty or administrative member about any specific questions you may have.