Complex projects such as PIRLS cannot be accomplished by only one agency or organization. Throughout the course of PIRLS, the National Center for Education Statistics works with multiple partners.
|The International Association for the Evaluation of Educational Achievement (IEA) serves as the international coordinating body for the PIRLS studies.|
|The PIRLS International Study Center at Boston College directs the studies at the international level including the design, operations, analysis, and reporting.|
|Westat currently manages the United States implementation of PIRLS 2011. Westat managed the United States implementation of PIRLS 2001.|
|Pearson Educational Measurement is the contractor in the United States tasked with data scoring and coding for PIRLS 2011.|
|RTI International managed the United States implementation of PIRLS 2006.|