Beginning on July 1, 2022, in the state of Connecticut, all new Individualized Education Programs (IEPs) for special education began to be written in the new Connecticut Special Education Data System commonly known as CT-SEDS. This investigation sought to understand to what extent Connecticut's implementation of CT-SEDS had impacted parents' perceptions about their participation on their children's Planning and Placement Teams. Additionally, it sought to gather information about the extent to which Connecticut's implementation of CT-SEDS had impacted parents' perceptions about the quality of their children's Individualized Education Programs. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]