This document discusses teaching English language learners (ELLs). It provides background on who ELL students are and their characteristics. It outlines what teachers of ELLs need to know, including the English Language Proficiency Standards (ELPS) and linguistically accommodated instruction. Key elements of successful ELL lessons are presented, including differentiating instruction, using academic language, and building background knowledge. The conclusion emphasizes beliefs and practices important for ELL teachers, such as knowing their students and maintaining clear lesson purposes.