Denver Preschool Program: Passed by Denver voters in 2006, Denver Preschool Program provides tuition reimbursement to parents who enroll their children in preschool programs the year before they enter Kindergarten. Credits can be used at public and private facilities. DPS requires families to participate in Denver Preschool Program.

Early Childhood Education (ECE): often used interchangeably with preschool, ECE refers to education provided to children in the years before they enter Kindergarten.

Qualistar: a widely recognized, independent preschool rating system that rates the quality of preschool classrooms on a scale of one to four stars. Qualistar examines all aspects of the early learning environment, from teacher qualification to classroom safety standards and curriculum.