PreschoolFirst is an online, play-based assessment and curriculum resource for the infant/toddler and preschool years. PreschoolFirst includes an open framework of more than 3,200 age-appropriate activities incorporating 500 behaviors children should master to be ready for Kindergarten.

Integrated with the activity-based curriculum is a uniform, research-based assessment system for observing and continual tracking of children’s development and school readiness in their most natural setting – at play. The school district version of PreschoolFirst provides real-time correlation to each state's Pre-K early childhood learning standards, allowing teachers to find standards-based early childhood activities that meet children’s individual needs.