Regular early childhood program means a program that includes fifty percent or more children who do not have an IEP. Programs may include, but are not limited to, the following: Head start; early childhood education and assistance program (ECEAP); transitional kindergarten; kindergarten; preschool classes offered to an eligible prekindergarten population by the public school system; private kindergartens or preschools; group child development centers; or child care.
Wash. Admin. Code § 392-172A-01152