NWEA is a non-profit organization based in the United States, established in 1977, that specializes in educational assessment and research. With a workforce of 1,001 to 5,000 employees, NWEA focuses on developing assessment solutions that support student growth and learning. The organization is particularly known for its MAP Growth assessments, which are designed to measure student progress in subjects such as English Language Arts (ELA), mathematics, and science. NWEA conducts extensive research to link its assessment scores with state testing standards, as evidenced by its published linking study report, which details methodologies and findings related to predicting proficiency on Ohio's State Tests (OST) based on MAP Growth scores for grades 3–8. The report outlines various updates and methodologies employed over the years to ensure the accuracy and relevance of its assessments. NWEA's work spans multiple sectors, including education, healthcare, and non-profit organization management, reflecting its commitment to enhancing educational outcomes through data-driven insights.