Students with disabilities are entitled by law to free, appropriate special education services, and in 2006-07, more than 10 percent of California’s total school enrollment used these services, at a cost of about $9.3 billion. This report provides basic information about California’s students with disabilities and its special education programs. It examines disability rates and trends, the educational environment, student performance on state assessments, and California’s financial commitment to special education, including detailed information about spending activity and the funding process.