Book excerpt: This book provides teams with the processes, materials and training guides to complete the ELL Critical Data Process for K-12 and preschool students, provide training on how children qualify for special education (with focus on ELL specific issues), and a data analysis process for districts to better understand their issues. Knowing the critical data to gather, the staff to involve, and having a process to follow can increase the likelihood of appropriate intervention. This resource kit contains resources and guiding documents to help understand whether or not a special education referral is an appropriate action for your student.