Visit the WIDA website to learn more about WIDA (World-Class Instructional Design and Assessment) and to access current WIDA Standards and Can Do Descriptors.
To learn more about RETELL (Rethinking Equity and Teaching for English Language Learners) visit DESE's RETELL page. You can also get information about the SEI MTEL and general licensure requirements.
Colorín Colorado is a free web-based service that provides information, activities and advice for educators and Spanish-speaking families of English language learners. This excellent site has innumerable valuable resources for educators of ELLs - from general information to effective strategies for the classroom.