Student Growth Percentiles
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Student Growth Percentiles  

Student Growth Percentiles (SGP)

A student growth percentile (SGP) describes a student’s growth compared to other students with similar prior test scores (their academic peers). Although the calculations for SGPs are complex, information can be shared in percentile terms that are familiar to most teachers and parents. This site provides an overview of student growth percentiles, a new method of measuring student academic growth introduced by OSPI in March 2013.

We expect to begin the process of calculating SGPs for the 2014-2015 school year once the record reconciliation process is complete in early October. At this time, we plan to publically release the results in November. As part of the transition to the Smarter Balanced assessments, approximately one-third of students statewide participated in field tests and did not receive scores for a statewide annual assessment in the 2014 school year. Students must have at least two consecutive years of state assessment results to receive a one-year SGP. To ensure accuracy, we will omit those students that participated in the field tests from any one-year SGP computations. To determine the best course of action and examine options for calculating student growth metrics for all students, we will further assess the representativeness of these omitted students.

An Introduction to Student Growth Percentiles

This video is also available in Spanish/Español

What's New

SGP data is now public on the SLDS K-12 Data and Reports Static Data Files web page - click on Assessment under Subject Area, then scroll down to the SGP files.


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