Dr. Virginia Collier and Dr. Wayne Thomas are internationally known for their research on long-term school effectiveness for culturally and linguistically diverse students. Dr. Thomas is a Professor Emeritus of Evaluation and Research Methodology and Dr. Collier is Professor Emerita of Bilingual/Multicultural/ESL Education, both at George Mason University.
Their research on dual language education is perhaps the most well-known across the United States. Their longitudinal studies of student achievement in various types of educational programs for English learners are considered seminal work in the field. Their Dual Language Learning series is published by Velazquez Press and available for purchase at www.dlenm.org.
