PROFICIENCY 47% 22% higher than state average
School Rankings Proficiency Averages
28%Pomona Unified

Diamond Ranch High is a school servicing grades 9 to 12 and is located in the district of "Pomona Unified" in Pomona, CA. There are a total of 1,791 students and 71 teachers at Diamond Ranch High, for a student to teacher ratio of 26 to 1. There are a total of 691 free lunch students and 222 reduced lunch students.

Diamond Ranch High has an average proficiency test score (in mathematics and languages) of 46.5%, which is 22% higher than the California average.


Student/Teacher ratio26:1
Free lunch691
Reduced lunch222


Advanced Placement
AP enrollmentn/a
Taking some coursesn/a
Taking some courses (not tests)n/a
Passing some coursesn/a
Passing no coursesn/a

Advanced placement (AP) is a program that offers high school students the ability to take college level courses and exams. These programs were created to be at the same level of most first year university courses. If the students were successful in the AP programs, they could potentially receive advanced placement, credit or exemptions when they go on to university. At Diamond Ranch High, there are a total of n/a students enrolled in advanced placement courses, with n/a taking some courses.

Proficiency in mathematics comparison

Proficiency in languages comparison

Proficiency in mathematics by grade

High School27%

Proficiency in languages by grade

High School66%

The proficiency in math and languages tables represent the percentage of students that scored at or above the proficiency level on their standardized state assessment tests. Although these tests are standardized within each state, the tests may vary from state to state. Comparing the results of one state to another may not always be an accurate or fair comparison.

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Diamond Ranch High race/ethnicity breakdown

Caucasian 12.5% 4.0% 24.1% 51.1%
African American 10.5% 5.4% 6.2% 15.9%
Asian 13.0% 3.4% 11.1% 4.7%
Hispanic or Latino 58.5% 85.3% 54.1% 23.6%
American Indian and Alaskan 0.4% 0.3% 0.7% 1.2%
Hawaiian 5.0% 1.3% 0.8% 0.4%
Multiracial 0.2% 0.2% 3.1% 3.1%

Other schools nearby

Pantera Elementary58%1.0Diamond Bar, CA
Ranch Hills Elementary45%1.0Pomona, CA
Decker Elementary31%1.1Pomona, CA
Golden Springs Elementary41%1.2Diamond Bar, CA
Diamond Point Elementary42%1.3Diamond Bar, CA
Lorbeer Middle School40%1.6Diamond Bar, CA
Lexington Elementary33%1.8Pomona, CA
Westmont Elementary27%1.9Pomona, CA
Fremont Academy Of Engineering And Design20%1.9Pomona, CA
Garey High34%1.9Pomona, CA
Eagle Canyon Elementary62%2.0Chino Hills, CA
Vejar Elementary21%2.1Pomona, CA

Pomona demographics profile

Population density (sq mi)6,61423291
Median age31.036.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)45%52%55%
Speak English35%56%79%
Speak Spanish55%29%13%

Education level achieved in Pomona

Completed 8th grade68.1%81.1%84.3%
Completed high school65.9%79.8%83.0%
Completed some college43.1%61.5%59.4%
Completed associate degree23.4%39.8%38.5%
Completed bachelors17.3%32.0%30.3%
Completed masters4.6%11.9%11.5%
Completed professional degree1.1%3.9%3.3%
Completed doctorate0.5%1.6%1.3%
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Source: The Diamond Ranch High data displayed above is derived from the 2016 National Center for Education Statistics and from the U.S. Department of Education.
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