Arlington ISD Pre-K Full STEM ahead! 2022 - 2023 Pre-K Registration Enroll In Pre-K Full-day pre-K for 4-year olds Unique STEM learning opportunities Bilingual and special needs programs Click a button for more information My child will be 3 years old on or before September 1, 2022 My child will be 4 years old on or before September 1, 2022