Castle Rock Union Elementary School District now has a full day Transitional Kindergarten (TK) Class. Students that will be 4 on or before September 1, 2023 will be able to enroll in our TK Class. If you have a child that will be 4 years old by Sept. 1st and would like to enroll them in our TK Class, please give the office a call or drop by to pick up enrollment paperwork.