Book excerpt: Raise your ELL success quotient and watch student achievement soar! "How the ELL Brain Learns" combines current research on how the brain learns language with strategies for teaching English language learners. Award-winning author and brain research expert David A. Sousa describes the linguistic reorganization needed to acquire another language after the age of 5 years. He supplements this knowledge with immediately applicable tools, including: A self-assessment pretest for gauging your understanding of how the brain learns languages Brain-compatible strategies for teaching both English learners across content areas An entire chapter about how to detect English language learning problems