Student Growth Percentiles
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Student Growth Percentiles
District and School Resources

Resources for Educators & Administrators

SGPs at a Glance
A short overview of SGPs

Understanding a Student Growth Percentile Report
A Guide for Parents and Teachers

What is an Academic Peer?
Illustrated slides on what an academic peer group is and the way that student assessment data is used to create a student growth percentile.

Bridging the Transition
A document explaining how the transition from MSP to SBA influenced SGPs.


Webinar: Interpreting and Using the State Growth Measure in Washington Schools
In 2013, OSPI hosted a webinar with panelists Karen Owen, Principal of Nisqually Middle School, and Sara Rich, Assessment Director of North Thurston Public Schools, to discuss using SGPs in student conferences, professional learning communities, and for benchmarking purposes at the district level.

WAMS Guides to SGP Files on WAMS (PDF)
2015-16 | 2014-15 | 2013-14 | 2012-13 | 2010-11 and 2011-12

Technical Documentation

Growth Model Comparison Study
Council of Chief State School Officers (CCSSO).

A Technical Overview of the Student Growth Percentile Methodology
Paper by Damian Betebenner from the National Center for the Improvement of Educational Assessment for New Jersey.

2013 Washington Growth Model Report
This report, written by the developers of the SGP model for Washington, provides summary statistics on the 2013 SGPs and details on how student growth percentiles and growth-to-standard targets are calculated.


SGP Data   NEW!
Data and Charts - available publically


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