Previous research on bilingual mathematics education has proposed that as children "language mathematics" they use multiple sources of meaning. In this paper, we focus on lexical inventions--bilingual children's made up words that are not formally defined or used but follow the phonology and morphology of a language--as a source of…

Using nationally-representative, longitudinal data on a cohort of Spanish-speaking English language learners in the U.S., this study investigated the extent to which early oral language proficiency in Spanish and English predicts later levels and rates of growth in English reading. Latent growth models indicated that both Spanish and English…

In 1974, the United States Supreme Court ruled in "Lau v. Nichols" that 1,800 Chinese-speaking children in the San Francisco public schools were entitled to English-language instruction or other support to help them understand what was happening in their classrooms. Thirty-six years later, state and local responsibilities to public…

"Peer Tutoring and Response Groups" aims to improve the language and achievement of English language learners by pairing or grouping students to work on a task. The students may be grouped by age or ability (English-only, bilingual, or limited English proficient) or the groups may be mixed. Both peer tutoring pairs and peer response…