CTB/McGraw-Hill has an 85-year record of innovation and excellence in assessment, and serves more than 18 million students in all 50 states and in 49 countries. One of the first American publishers to introduce objective, standardized achievement tests to schools, today CTB/McGraw-Hill is a leader in testing with recognized products for online interim and formative, adult, and language proficiency assessment. Dedicated to advancing the use of student performance data to inform instructional decision making, CTB/McGraw-Hill's innovation continues today with technologies that include Web-based assessment and reporting, student response device software, and artificial intelligence for automated scoring of student essays. CTB/McGraw-Hill is part of McGraw-Hill Education, a division of The McGraw-Hill Companies (NYSE: MHP). McGraw-Hill Education is a leading global provider of instructional, assessment and reference solutions that empower professionals and students of all ages. For more information, visit CTB.com/AboutUs.