Ctb.com develops educational assessment programs
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Welcome to CTB Home
Description
CTB is the leading publisher of standardized achievement tests for children and adults. With a staff of doctoral-level researchers, scientists, mathematicians, writers, and editors, we assist thousands of school districts across the nation and score more than 20 million test documents each year.
A division of The McGraw-Hill Companies, CTB was founded in 1926, by Ethel and Willis Clark, whose original mission continues today: To Help the Teacher Help the Child.
With more than 70 years of client focused service, spanning the full range of diverse testing needs, including multilingual students and adults, and those needing special accommodations.
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