Compares academic outcomes for 24 Spanish-dominant and 118 English-dominant Mexican American children in primary grades. Assesses impact of the experimental group's exposure to the transitional bilingual education program by examining their Spanish and English academic performance. Discusses implications for the education of bilingual learners.…

Among over 600 Arizona students in grades 1-8 in maintenance bilingual programs, fluent Spanish-speaking students outperformed limited-Spanish-speaking students on a measure of Spanish reading, mathematics, social studies, and science achievement; girls achieved higher reading scores than boys; and 16 of 18 grade mean scores were equal to or…

Finds that 25 Spanish-dominant Mexican-American students in a transitional bilingual program for grades one-three maintained Spanish reading achievement scores above national norms, and had English reading scores that equaled or surpassed those of 118 English-dominant Mexican-American students in regular classes. Contains 28 references. (SV)

The acquisition of English and Spanish was examined among 298 Mexican-American students who were limited-English-proficient at the start of kindergarten and who participated in maintenance bilingual programs in grades K-3. Oral proficiency in both languages increased for both boys and girls and across groups that had differed in early Spanish…

Among 187 Arizona Mexican-American children with limited proficiency in both Spanish and English, participation in a maintenance bilingual education program during grades K-2 produced significant gains in oral language acquisition for both languages. Students with the lowest proficiency scores in kindergarten showed the greatest gains. (SV)