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Cambium Assessment is the leader in online testing for K-12 state standards.

Cambium Assessment delivers secure, reliable, and scalable assessment solutions that improve student performance while supporting state education accountability. Through proven technology, research-backed psychometrics, and advanced machine learning, the company’s solutions help reduce test time for students while improving educational outcomes.

The company currently serves more than 1/3 of U.S. students with numerous patents and industry-standard certifications for their work. In the 2021–2022 school year, they delivered more than 100.6 million tests to 1.36 million simultaneous testers, testing 15.3 million individual students. Their adaptive testing algorithm was the first of its kind to pass peer review in the United States, and they continue to push boundaries for student performance measurement.