The document discusses the implementation of a Response to Intervention (RTI) model in urban and suburban schools to enhance reading skills among English Language Learners (ELLs). It highlights the model's impact on improving reading fluency and comprehension, as well as changes in special education referral rates, teacher perceptions, and challenges in meeting ELL needs. The study identifies key components of RTI practices and their effectiveness through data collected over three years, emphasizing the importance of collaboration and informed instruction for diverse student populations.