The Americans with Disabilities Act (ADA) defines disability as "a physical or mental impairment that substantially limits a major life activity," and outlines specific legal rights and protections for people who have a disability. Special education services are specifically addressed in the Individuals with Disabilities Education Act (IDEA), which requires that school districts provide a "free and appropriate" education to eligible students with disabilities. Federal law also stipulates that students must be protected from discrimination based on their disability while at school.