Student Growth Percentiles
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Student Growth Percentiles
District and School Resources

Resources for Educators & Administrators

Guide to SGP Files on WAMS 2013-14 (PDF)

2014 SGP Updates
SGPs and student growth reports will be available to school districts in the fall of 2014 for students who took the MSP in the spring. 

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.

Webinar: Interpreting and Using the State Growth Measure in Washington Schools
OSPI hosted a webinar on April 15 for school principals, featuring Karen Owen, Principal of Nisqually Middle School and Sarah Rich, Assessment Director of North Thurston Public Schools. The panelists discussed using SGPs in student conferences, professional learning communities and for benchmarking purposes at the district level.

Student Growth Percentile (SGP) Data is now available publicly on the OSPI State Longitudinal Data System (SLDS). To access the data from OSPI’s homepage, click on the “K-12 Data & Reports” button on the right-hand side, then click on “Static Data Files”. Under the “Assessment” menu item, you can scroll down to find the SGP files and reports.

2013 SGP Data Now Available in WAMS
2013 SGP data files and reports can be accessed through the EDS portal of the Washington Assessment Management System (WAMS) application. The files are located under Profile > File Downloads > 2013 Administration > 7. Student Growth Percentiles (SGP).

Guide to SGP Files on WAMS 2012-13 (PDF)

Two Year Growth Targets and Catch-Up, Keep-Up Definitions (PDF)

SGP Reports: What Districts Can Expect to See (Time: 7:20)

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.

Webinar: An Introduction to SGP
36-minute video introduction to student growth percentiles - March 2013

Technical Documentation

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

Cade, B and Noon, B. 2003. A gentle introduction to quantile regression for ecologists. Frontiers in Ecology and the Environment. 1(8): 412 – 420.

Guide to SGP Files on WAMS (2010-11 and 2011-12)
Details the student growth percentile files and reports that can be found in EDS through the Washington Assessment Management System application.

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. The Washington version is coming soon.



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