The main purpose of this legislative text is to enhance the Individuals with Disabilities Education Act (IDEA) specifically to address the needs of students with dyslexia. The goal is to ensure that children with dyslexia receive the necessary support and accommodations in educational settings, helping them to succeed academically. Key provisions of the legislation include a clear definition of dyslexia, which describes it as a reading difficulty that is unexpected given a person's intelligence, primarily caused by challenges in processing the sounds of spoken language.