The Illinois early learning and development standards (IELDS) provide reasonable expectations for children’s growth, development, and learning in the preschool years. When used as part of the curriculum, the IELDS provide guidance to teachers in early childhood programs to create and sustain developmentally appropriate experiences for young children that will strengthen their intellectual dispositions and support their continuing success as learners and students. The age-appropriate benchmarks in the IELDS enable educators to reflect upon and evaluate the experiences they provide for all preschool children.