Chaffey High School – Ontario, CA

General Information

School Name: Chaffey High School
School District: Chaffey Joint Union High
County: San Bernardino County

State: California
Grades: 9Th Grade through 12Th Grade

Contact Information

Mailing Address

Chaffey High School
1245 North Euclid Ave.
Ontario CA, 91762

Street Address

Chaffey High School
1245 North Euclid Ave
Ontario CA, 91762

Phone Number

(909) 988-5560

Student and Teacher Statistics

Total Students: 3645
Student/Teacher Ratio: 25.6:1
Full-Time Teachers:

Size Rank: 61st largest high school in America
Free Lunch Eligible: 1879
Reduced Lunch Eligible: 301

Map & Directions

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  • Basketball
  • Baseball
  • Cheerleading
  • Cross country
  • Football
  • Golf
  • Soccer
  • Softball
  • Swimming
  • Tennis
  • Track
  • Volleyball
  • Wrestling

Important Dates is constantly updating this section with these dates as they become available. If you go to Chaffey High School, are a teacher or administrator there, or have a child that is a student there, if you know one of these dates, please post them in the comments section.

  • First Day of Class
  • Homecoming
  • Report Cards
  • Winter Break
  • Prom
  • Class Pictures
  • Graduation
  • Summer Break

Write A Review

Attention students, parents, teachers, administrators, employees and alumni of Chaffey High School. Please write a review of your experiences and your time at the school, so other people can know what a great place it is! Also, if you have a favorite teacher or someone else at the school that is special to you, be sure to mention them.

Please rate Chaffey High School on a 1 to 5 star scale, 5 stars being the best, for the following categories:

  • Teachers and academics.
  • Princial and administrators.
  • Classrooms and facilities.
  • Sports and extracurricular activities.
  • Parent and community involvement.

Data Source: NCES