History Of Southwest Evaluation Association Assessment

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History of the Northwest Evaluation Association Assessment Background Information The Northwest Evaluation Association (NWEA) is a nonprofit organization committed to helping school districts improve instruction and learning for all students. Their aim is to give teachers data they can use to inform classroom instruction, and their ambition is to transform education. NWEA’s mission: “As a not-for-profit organization, we continue to honor our founders’ spirit and their collaborative approach to improving teaching and learning. Our mission, Partnering to help all kids learn®, informs all aspects of our work.” (NWEA, 2014) Founded in 1977 in Oregon and Washington State, NWEA’s scholars were Allan Olson, George Ingebo, and Vic Doherty. (NWEA, 2014) The association was dedicated to build a new kind of testing system to measure and track an individual student’s educational level and growth. Over the decades, NWEA has grown from a collaboration of 14 school districts to a global organization. Today, their products and services support educators and their students in over 7,400 schools, districts, and educational agencies worldwide. (NWEA, 2014) Their model was grounded on an “empirically-derived scale based on Danish mathematician George Rasch’s Item Response Theory model. (NWEA, 2014) The Rasch Unit (RIT) scale was developed to measure student growth over the course of a year, and from year to year. The first computer adaptive educational NWEA assessment was launched in
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