February 3, 2025 EI Timelines and Eligibility Transition from Infant/ Toddler EI to Preschool EI If a child already receives Infant/ Toddler EI services, a transition planning meeting is held six months to 90 days before the child’s third birthday to discuss how to best support the child and family. If the Preschool EI Timeline 1 A referral is made and/or the family requests an evaluation from their Intermediate Unit. Families who reside in the city of Pittsburgh can contact Pittsburgh Public Schools at 412-529-4000. Families who reside anywhere else within Allegheny County can contact the Allegheny Intermediate Unit at 412-394-5904. If the child is transitioning to Preschool EI, the team will consider a variety of factors to decide if a review of the previous evaluation/records is appropriate or if a new evaluation needs to be completed. The goal of transition is to have a smooth switch from Infant/Toddler EI to Preschool EI if continued services are needed.