; . C National Activities To Improve the Education of Children with Disabilities 321. Personnel development to improve services and results for children with disabilities; ensuring sufficient teachers of the deaf-blind and early intervention specialists Section 662(c)(2) ( 20 U.S.C. 1462(c)(2) ) is amended— (1) by redesignating subparagraphs (G) and (H) as subparagraphs (I) and (J), respectively; and (2) by inserting after subparagraph (F) the following: (G) Preparing personnel to be qualified teachers of the deaf-blind and early intervention specialists, to assist children with deaf-blindness in schools and school related activities, as well as toddlers and preschool children with deaf-blindness in early intervention and preschool programs, to develop communication and literacy skills, access, organize and utilize information about the environment and acquire concepts essential for learning. (H) Preparing personnel to be qualified interveners as individualized supports to assist children with deaf-blindness in school and school related activities, and infants and toddlers and preschool children with deaf-blindness in early intervention and preschool programs. .