Los Osos High School

Chaffey Joint Union High School District
Contact
  • 6001 Milliken Ave, Rancho Cucamonga, CA 91737
  • 909.477.6900
  • cjuhsd.net
Facts
  • Public, Advanced Placement School
  • Grades 9-12
Stats
  • Students: 2954;
  • 25:1 Student-Teacher Ratio