Preston Elementary
1750 North Willow Avenue
Rialto, CA 92376

CSR Rank: 2 out of 102
Percentile:
(2016)
13.881-d
Compare to 2013 - Rank: 3, API Score: 749

2016 CAASPP Test Score Details:
GradeTest TypeMean ScoreExceeded
Standard
Met
Standard
Nearly Met
Standard
Standard
Not Met
3English2387.6 7%24%34% 35%
3Math2395.5 1%18%45% 36%
4English2412.5 10%12%24% 55%
4Math2404.1 0%8%40% 52%
5English2445.5 7%19%22% 52%
5Math2430.3 2%6%24% 68%
- Asterisk "*", if present, indicates scores are not available (too few)
Calculated Percentiles from California School Ratings:
English Language Arts/Literacy Mathematics
GradePercentileStudents TestedPercentileStudents Tested
331.49%88 26.16%88
419.92%110 7.54%110
514.54%99 11.72%99
Weighted average for this school's Math and English test scores: 18%1-c
This school is in the 13.88th percentile1-d when compared to other schools of the same type: Elementary
Student Ethnicity:
Hispanic or Latino
 77.32%
African American
 17.01%
White
 2.52%
Two or More Races
 2.36%
Asian
 0.31%
Filipino
 0.31%
American Indian or Alaska Native
 0.16%

Kindergarten Immunization Information:
(2014-15 School Year)
  • Up-to-date Immunizations: 96% (93)
  • Conditional admission: 3% (3)  6
  • Medical exemptions: 1% (1)
  • Personal Belief exemptions: 0% (0)
  • Religious Belief exemptions: 0% (0)

Notes:
  1. California School Ratings (CSR) computes percentiles in this way:
    1. For a given grade level, all Math scores are put into an ordered list and a percentile is calculated for each score, based its position in the list.
    2. For a given grade level, all English scores are put into an ordered list and a percentile is calculated for each score, based its position in the list.
    3. Math and English percentiles from (a & b above) are weighted, based on the number of students who completed each type of test, to create a combined Math+English weighted percentile for each school.
    4. The combined Math+English weighted percentiles are put into an ordered list for the particular type of school (elementary/middle/high school/K-12) and a percentile-within-the-school-type is calculated.
    5. How percentiles work: the school percentile is a number between 0 and 100 that reflects the percentage of schools of the same type (elementary/middle/high school/K-12) in California that have an equal or lower combined Math+English weighted percentile (from 1-c above). For example, a school in the 70th percentile would have a combined weighted percentile that was equal to or better than 70% of the other schools of the same type.
  2. The CSR Rank is determined by a school's percentile in comparison to other schools of the same type in California (from 1-d above). (1 is the worst, 10 is the best). Schools in the 90th percentile and above have rank 10, 80%-89.999% rank 9 and so on. A similar number of schools occupy each rank. * This rank is derived from data in the 2016 California Assessment of Student Performance and Progress (CAASPP).
  3. Alternative Schools receive percentiles, but are not ranked
  4. More information: 2016 CAASPP Paper-based Test Results