Area of classroom space per student during the reporting period.
Organizations should footnote all assumptions used.
Organizations are encouraged to align with state and international standards. For example, the New York State Department of Health Bureau of Emergency Medical Services published a ‘Classroom Design Standard’ that details the required floor area per student, categorized by the classroom set up style.
January 2020 - IRIS v5.1 Released
No change.
May 2019 - IRIS v5.0 Released
No change.
March 2016 - IRIS v4.0 Released (current version)
No change.
March 2014 - IRIS v3.0 Released
Immaterial change. Minor revision to metric name and definition language for clarity.
November 2011 - IRIS v2.2 Released
No change.
February 2011 - IRIS v2.1 Released
No change.
September 2010 - IRIS v2.0 Released
Immaterial change. Classroom Square Feet per Student (PI5380) replaced Students to Classroom Square Foot Ratio (ED16). IRIS ID changed due to framework upgrade. Minor revision to definition language for clarity.
September 2009 - IRIS v1.0 Released
New metric. Students to Classroom Square Foot Ratio (ED16) developed via Original IRIS Working Group.
IRIS Metrics Work Better in Sets
To use IRIS metrics—and the resulting data—to understand impact performance, IRIS metrics should be used and analyzed in generally accepted sets and according to well-defined objectives. IRIS+ gives you access to generally accepted Core Metrics Sets aligned to common Impact Themes and Sustainable Development Goals (SDGs).