Major Research Monographs

Thomas, W. P., & Collier, V.P. (2014). English learners in North Carolina Dual Language Programs: Year 3of this study: School Year 2009-2010. Raleigh, NC: North Carolina Department of Public Instruction. PDF. Executive Summary.

Thomas, W.P., Collier, V.P., & Collier, K. (2011). English learners in North Carolina, 2010. Raleigh, NC: North Carolina Department of Public Instruction. PDF. Executive Summary.

Thomas, W.P., & Collier, V.P. (2010). English learners in North Carolina, 2009. Raleigh, NC: North Carolina Department of Public Instruction. PDF. Executive Summary.

Thomas, W.P., & Collier, V.P. (2012). Chapter Five: Astounding effectiveness—the North Carolina story. In Dual language education for a transformed world (pp. 65-89). Albuquerque, NM: Dual Language Education of New Mexico-Fuentes Press. PDF.

North Carolina Dual Language Immersion Team. (2012). Thomas & Collier study. Raleigh, NC: Public Schools of North Carolina State Board of Education/Department of Public Instruction. (PowerPoint presentation) PDF.

The Thomas & Collier 2002 national study, funded by the U.S. Department of Education:

Thomas, W.P., & Collier, V.P. (2002). A national study of school effectiveness for language minority students' long-term academic achievement. Santa Cruz, CA: Center for Research on Education, Diversity and Excellence, University of California-Santa Cruz (351 pp.) PDF

The Thomas & Collier 1997 national study:

Thomas, W.P., & Collier, V.P. (1997). School effectiveness for language minority students. Washington, DC: National Clearinghouse for English Language Acquisition (NCELA) Resource Collection Series, No. 9, December, 1997 (96 pp.) PDF

Collier, V.P. (1980). A sociological case study of bilingual education and its effects on the schools and the community. Dissertation Abstracts International, 41, 2481A. (Doctoral dissertation, available from the University of Southern California, 304 pp.)

Thomas, W.P. (1980). Incremental effects of ESEA Title I resources on student achievement. Dissertation Abstracts International, 41, 1945A. (Doctoral dissertation, Virginia Polytechnic Institute and State University, University Microfilms No. 8024018).