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Umansky, Ilana M.; Reardon, Sean F. – Grantee Submission, 2014
Schools are under increasing pressure to reclassify their English learner (EL) students to "fluent English proficient" status as quickly as possible. This article examines timing to reclassification among Latino ELs in four distinct linguistic instructional environments: English immersion, transitional bilingual, maintenance bilingual,…
Descriptors: Hispanic American Students, Classification, Bilingual Education, Barriers
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Bravo, Marco A.; Cervetti, Gina N. – Equity & Excellence in Education, 2014
This article presents the results of a study testing the efficacy of an instructional model that attends to the science, literacy, and language learning needs of English Learners (ELs) through a curriculum development project. The model is based on the premise that reading, writing, and discourse are better served when these important language…
Descriptors: Science Education, English (Second Language), Second Language Learning, Scientific Literacy
Umansky, Ilana M.; Valentino, Rachel A.; Reardon, Sean F. – Stanford Center for Education Policy Analysis, 2015
One in five school-age children in the U.S. speaks a language other than English at home (Zeigler & Camarota, 2014). Roughly half of these emerging bilingual students (Garcia, 2009) are classified as English learners (ELs) when they enter school, meaning they do not meet state or district criteria for English proficiency (NCES, 2015). As the…
Descriptors: Bilingual Education, Immersion Programs, Bilingual Students, English Language Learners
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Vadasy, Patricia F.; Nelson, J. Ron; Sanders, Elizabeth A. – Remedial and Special Education, 2013
This study examines the longer term effectiveness of a standard protocol, Tier 2 supplemental vocabulary intervention for kindergarten English learners, designed to develop root word vocabulary knowledge and reinforce beginning word reading skills. Participating students in the original study ("n" = 93 treatment, 92 control) received 20…
Descriptors: Intervention, Vocabulary Skills, Instructional Effectiveness, Reading Skills
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Lesaux, Nonie K.; Kieffer, Michael J.; Kelley, Joan G.; Harris, Julie Russ – American Educational Research Journal, 2014
We conducted a randomized field trial to test an academic vocabulary intervention designed to bolster the language and literacy skills of linguistically diverse sixth-grade students (N = 2,082; n = 1,469 from a home where English is not the primary language), many demonstrating low achievement, enrolled in 14 urban middle schools. The 20-week…
Descriptors: Middle School Students, Control Groups, Experimental Groups, Vocabulary Development