The document summarizes several important laws and concepts related to special education:
1) Public Law 94-142 established funding for states to develop special education programs and ensure appropriate education for students not previously served.
2) IDEA expanded services for preschoolers with disabilities and added autism and TBI to covered disabilities. It also required transition services and behavior plans.
3) Section 504 and ADA protect students with disabilities from discrimination and require accommodations.
4) NCLB aimed to better serve struggling students through accountability based on state standards testing in core subjects.