Register for the 2023-24 School Year - Pre-Kindergarten: Turning 3 or 4 years old on or before September 1; Transitional Kindergarten: Turning 5 years old between September 2 - February 2, 2023; Kindergarten: Turning 5 years old on or before September 1; 1st Grade: Turning 6 years old on or before September 1.