Schools in the 90th percentile and above have rank 10, 80%-89.999% rank 9 and so on.Ī similar number of schools occupy each rank.
The CSR Rank is determined by a school's percentile inĬomparison to other schools of the same type in California (from 1-d above). 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).įor 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. How percentiles work: the school percentile is a number between 0 and 100 that reflects the percentage of. (elementary/middle/high school/K-12) and a percentile-within-the-school-type is calculated. The combined Math+English weighted percentiles are put into an ordered list for the particular type of school. 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. 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. 
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.
California School Ratings (CSR) computes percentiles in this way:.
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