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Chaffey High School

Public School | Grades 9-12 | Chaffey Joint Union High
1245 North Euclid Ave
Ontario, CA 91762
(909) 988-5560

About This School

Chaffey High School is located in Ontario, CA and is one of 11 high schools in Chaffey Joint Union High School District. It is a public school that serves 3720 students in grades 9-12. See Chaffey High School's test results to learn more about school performance.

A school's Academic Performance Index (API) is a scale that ranges from 200 to 1000 and is calculated from the school's performance in the Standardized Testing and Reporting (STAR) Program. The state has set 800 as the API target for all schools to meet.

Chaffey High School had an API growth score of 736 in 2012. California uses the Academic Performance Index (API) to measure annual school performance and year-to-year improvement. Chaffey High School's 2012 base score was 718 and the school did meet its 2012 school-wide growth target.

In 2010, Chaffey High School had 26 students for every full-time equivalent teacher. The California average is 24 students per full-time equivalent teacher.

Student Ethnicity (2011)

Students (2011)


Students Per Teacher (2010)

Female/Male (2011)

50% 50%

Subsidized Lunch (2011)


District Spending (2010)

per student
See All Test Scores

All Grades Geometry Performance

CST Results
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Chaffey High School Reviews

By a Current Student on

I'm going to be junior this fall 2011! I'm very excited to go back to school. Aside from the beautiful and historic campus, I also miss the teachers and other staff members. I'm looking forward to meeting new people and being a part of ASB.

By , a Parent on

It's our family school. FOUR generations! I look forward to MY grandkids going there too. =)

By a Parent on

my son will be a sophmore this fall. He had a very enjoyable freshman year. My other son also attended Chaffey and graduated several years ago. He is now a teacher for the hearing inpaired. I look forward to my 11year old attending.

By a Current Student on

I have been told it has one of the most respectable Honors Program in California. It has experience.

Chaffey High School Photos

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