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Mahoney, Kate; Lillie, Karen E.; Rolstad, Kellie; MacSwan, Jeff; DuBois, Natalie; Haladyna, Tom – International Journal of Bilingual Education and Bilingualism, 2022
The authors evaluate the success of Arizona's program for English Learners (ELs) twelve years after the implementation of Proposition 203 to determine whether it meets the "third prong" test of CastaƱeda v. Pickard (1981), which requires a demonstration of the effectiveness of a program after its implementation. This study is a follow-up…
Descriptors: State Legislation, English Language Learners, Court Litigation, Program Effectiveness
Lillie, Karen E. – International Journal of Bilingual Education and Bilingualism, 2016
This study examines Arizona's restrictive language policy from the perspective of English learners (ELs) and reclassified fluent English proficient students who have been enrolled in the structured English immersion (SEI) model. While multiple scholars in the USA have analyzed Arizona's policy impact since its enactment in 2008, none to date have…
Descriptors: Immersion Programs, English (Second Language), Second Language Learning, State Policy
Lillie, Karen E.; Markos, Amy; Estrella, Alexandria; Nguyen, Tracy; Trifiro, Anthony; Arias, M. Beatriz; Wiley, Terrence G.; Peer, Karisa; Perez, Karla – Civil Rights Project / Proyecto Derechos Civiles, 2010
This study examines the implementation and organization of the state mandated curriculum in the 4-hour SEI block in 18 K-12 classrooms in 5 different districts. We focus on the effects of grouping by language proficiency, the delivery of the structure-based ESL curriculum, the provision of resources and limiting of access to grade-level…
Descriptors: English (Second Language), Language Proficiency, State Standards, Delivery Systems