Ensuring a smooth transition to Common Core State Standards is especially important for English Language Learners (ELL), who have unique learning needs.
Take a look at the COLORIN COLORADO BLOG, which aims to provide commentary, resources, and support for CCSS implementation with English Language Learners.
There are many great hands-on resources on offer here--one of the most popular posts provides a rubric or crosswalk to help educators determine whether Common Core-aligned curriculum being developed for English Language Learners actually meets the needs of those students. Here is the link to the RUBRIC, which is also available HERE AS A PDF file.