Recent research and reform efforts in science education have consistently stressed the importance of coherent science instruction, in which learning opportunities are connected and contextualized by meaningful phenomena, focus on a small set of core ideas over time, and generate a need-to-know about new ideas through a set of connected lessons.…

Two models of content-based second language instruction are compared. The two models, French language immersion and mainstreaming, are illustrated in two case studies that focus on how minority language children fare in kindergarten programs. The first case study is of a native Cantonese-speaking child enrolled in an early French immersion program…