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Catherine Collier, Ph.D. has over 45 years experience in equity, cross-cultural, bilingual, and special education. Dr. Collier is a nationally recognized expert on diverse learners with learning and behavior needs. She established and directed the Chinle Valley School, Dine Bitsiis Baa Aha Yaa, bilingual services for Navajo students with severe and multiple disabilities for the Navajo Nation.

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Teachers were also central to the transformation of one of the nation’s largest and highest-performing districts, Montgomery County, Md.

Montgomery now has the best overall high school graduation rate among large districts, as well as the highest graduation rate for African-American males. It is a national leader in Advanced Placement participation and achievement. In 2012, the percentage of Montgomery County African-American and Hispanic graduates earning a 3 or higher on at least one AP exam surpassed the national average for all graduates.