PROFICIENCY 19% 50% lower than state average
School Rankings Proficiency Averages
24%Rialto Unified

Preston Elementary is a school servicing grades KG to 5 and is located in the district of "Rialto Unified" in Rialto, CA. There are a total of 585 students and 23 teachers at Preston Elementary, for a student to teacher ratio of 26 to 1. There are a total of 450 free lunch students and 51 reduced lunch students.

Preston Elementary has an average proficiency test score (in mathematics and languages) of 19.0%, which is 50% lower than the California average.


Student/Teacher ratio26:1
Free lunch450
Reduced lunch51


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 Preston Elementary, 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 Schooln/a

Proficiency in languages by grade

High Schooln/a

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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Preston Elementary race/ethnicity breakdown

Caucasian 1.6% 3.8% 24.1% 51.1%
African American 14.2% 11.3% 6.2% 15.9%
Asian 1.1% 1.5% 11.1% 4.7%
Hispanic or Latino 80.2% 81.6% 54.1% 23.6%
American Indian and Alaskan 0.3% 0.3% 0.7% 1.2%
Hawaiian 0.6% 0.5% 0.8% 0.4%
Multiracial 2.0% 0.8% 3.1% 3.1%

Other schools nearby

Eisenhower Senior High35%0.6Rialto, CA
Morgan Elementary24%0.6Rialto, CA
Elizabeth T. Hughbanks Elementary27%0.8Rialto, CA
Frisbie Middle School12%1.0Rialto, CA
Kolb Middle School23%1.0Rialto, CA
Dunn Elementary15%1.2Rialto, CA
Henry Elementary31%1.3Rialto, CA
Helen L. Dollahan Elementary26%1.4Rialto, CA
Trapp Elementary34%1.4Rialto, CA
Bemis Elementary18%1.6Rialto, CA
Rialto High29%1.8San Bernardino, CA
Myers Elementary19%1.9Rialto, CA

Rialto demographics profile

Population density (sq mi)4,58723291
Median age29.236.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)50%52%55%
Speak English40%56%79%
Speak Spanish57%29%13%

Education level achieved in Rialto

Completed 8th grade67.3%81.1%84.3%
Completed high school64.5%79.8%83.0%
Completed some college39.2%61.5%59.4%
Completed associate degree16.9%39.8%38.5%
Completed bachelors10.5%32.0%30.3%
Completed masters2.8%11.9%11.5%
Completed professional degree0.8%3.9%3.3%
Completed doctorate0.2%1.6%1.3%
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Source: The Preston Elementary 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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