Science education in the Arab world is conducted in various multilingual contexts. When science is taught in Arabic, diglossia -- the coexistence of the formal language of literacy alongside a local spoken variety -- constitutes a multilingual setting the pedagogical implications of which need to be understood. This study compares teacher--student…

This article explores the placement practices of students into different educational programs in PreK-first grade, including two bilingual education programs and an ESL "mainstream" classroom. We then examine the discourse practices of four third-grade teachers and the school principal. Our findings suggest that initial program placement…