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Chaffey High
1245 North Euclid Ave.
Ontario, CA 91762

Demographic Information:
  • GATE students: 7%
  • English learners: 19%
  • Reclassified as English proficient: 35%
  • Migrant education program participants: 0%
  • Eligible for free/reduced price lunch: 82%
  • Special education within past two years: 12%
Parent's Education:
  • Overall Average Education4: 2.07

  • Testing Issues (flags):
    A security breach involving social media exposure of 2012-13 test material for the Standardized Testing and Reporting (STAR) Program and/or the California High School Exit Examination (CAHSEE) has been confirmed at this school site. This school is not eligible for state or federal award recognition during the 2013-14 school year.

(based on the 96% who responded)
Graduate School
College Graduate
Some College
High School
Not a High School

State Rank: 4 out of 101
API Score:
Student Ethnicity:
African American
Pacific Islander

Median Home Price (Zindex) for zip code 91762:

Related Schools:
Alta Loma High rank: 7 in Alta Loma
Chaffey Community Day rank: in Ontario
Chaffey District Online High rank: 2 in Ontario
Chaffey High rank: 4 in Ontario
Colony High rank: 4 in Ontario
Etiwanda High rank: 8 in Etiwanda
Los Osos High rank: 9 in Rancho Cucamonga
Montclair High rank: 5 in Montclair
Ontario High rank: 5 in Ontario
Rancho Cucamonga High rank: 8 in Rancho Cucamonga
Continuation Valley View High rank: A in Ontario

  1. The State Rank is determined by a school's API Score in comparison to all other schools in California. (1 is the worst, 10 is the best). An equal number of schools occupy each rank. * This rank comes from the 2013 California Academic Performance Index (API) Growth report.
  2. The API Score is a number between 200 and 1000 that reflects a school's performance on statewide student assessments administered in 2013.
  3. Alternative Schools receive APIs but do not receive ranks
  4. Parent Education is the average of all responses where "1" represents "Not a high school graduate" and "5" represents "Graduate school."
  5. More information: 2012-13 Academic Performance Index Reports Information Guide (PDF; 629KB; 65pp.)