Texas residents can obtain free preschool passes for all their children 5 years old and younger. You must first register online to obtain the pass. After the registration, you will be given information on how to obtain the physical preschool pass at the SeaWorld San Antonio ticket window. To obtain the physical pass at the ticket window, you need to have the registration confirmation you received after completing the online registration, your child’s birth certificate or travel pass, and your Texas resident ID. You have until May 31, 2019, to register for the free preschool pass. Once you obtain the pass it will be good until January 5, 2020.