The describes the nation's progress in (1) providing a free appropriate public education (FAPE) for children with disabilities under IDEA, Part B, and early intervention services to infants and toddlers with disabilities and their families under IDEA, Part C; (2) ensuring that the rights of these children with disabilities and their parents are protected; (3) assisting States and localities in providing IDEA services to all children with disabilities; and (4) assessing the effectiveness of efforts to provide IDEA services to children with disabilities. The report focuses on children with disabilities being served under IDEA, Part B and Part C, nationally and at the State level. Part B of IDEA provides funds to States to assist them in making FAPE available to eligible children with disabilities, ages 3 through 21, who are in need of special education and related services, whereas Part C of IDEA provides funds to States to assist them in developing and implementing statewide, comprehensive, coordinated, multidisciplinary interagency systems to make early intervention services available to all eligible children with disabilities, from birth through age 2, and their families.