March 2016 - IRIS v4.0 Released (current version)
March 2014 - IRIS v3.0 Released
Material change. Metric definition modified to provide clarity based on best practices and standard guidance.
November 2011 - IRIS v2.2 Released
February 2011 - IRIS v2.1 Released
September 2010 - IRIS v2.0 Released
Material change. School Enrollment (PI2389) replaced Net Enrollment Rate: Primary (ED8). Metric modified to increase simplification.
September 2009 - IRIS v1.0 Released
New metric. Net Enrollment Rate: Primary (ED8) developed via Original IRIS Working Group.