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| Brock, Leslie | 1 |
| Esra, Phil | 1 |
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| Parrish, Thomas B. | 1 |
| Perez, Maria | 1 |
| Socias, Miguel | 1 |
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Perez, Maria; Esra, Phil; Parrish, Thomas B.; Spain, Angeline; Anand, Priyanka; Socias, Miguel; Brock, Leslie; Graczewski, Cheryl; Linquanti, Robert – American Institutes for Research, 2004
In June of 1998, Proposition 227 was passed by 61 percent of the California electorate. Intended to change how the state's English learners (ELs) are instructed, Proposition 227 required that ELs be taught "overwhelmingly in English" through sheltered/structured English immersion (SEI) programs during a transition period and then…
Descriptors: Second Language Learning, State Legislation, Program Evaluation, Program Effectiveness


