This mixed methods study extends findings from a prior study exploring use of increasingly-complex, expository text situated within a five-week interdisciplinary intervention in which first-grade children attending a Sheltered-English (SEI) immersion classroom advanced their conceptual knowledge and academic language approximating levels near or…

This study examined beginning English literacy-skill development and achievement among Spanish-speaking children enrolled in state-mandated English-only classrooms. The children possessed Spanish skill at or above age-appropriate level, yet minimal English skill, and came from a Spanish-speaking community adjacent to the U.S.-Mexico border. Under…

This paper reports the fifth-year results of a study comparing the English and Spanish language and reading performance of Spanish-dominant children randomly assigned beginning in kindergarten to Transitional Bilingual Education (TBE) or Structured English Immersion (SEI). This is the first randomized study to compare TBE and SEI reading…