Creates the department of children, youth, and families.

Creates the office of innovation, alignment, and accountability, within the office of the governor, with the primary duties and focus on developing and presenting a plan for the establishment of the department of children, youth, and families.

Requires the office of the family and children's ombuds to establish the oversight board for children, youth, and families to monitor and ensure that the department of children, youth, and families achieves the stated outcomes of this act and complies with administrative acts, relevant statutes, rules, and policies pertaining to early learning, juvenile rehabilitation, juvenile justice, and children and family services.

Transitions the office of innovation, alignment, and accountability from the office of the governor to be an office within the department of children, youth, and families.

Abolishes the department of early learning and transfers its powers, duties, and functions to the department of children, youth, and families.

Transfers the powers, duties, and functions of the department of social and health services, pertaining to child welfare services under chapters 13.34, 13.36, 13.38, 13.50, 13.60, 13.64, 26.33, 26.44, 74.13, 74.13A, 74.14B, 74.14C, and 74.15 RCW, to the department of children, youth, and families.

Repeals the legislative children's oversight committee and transfers its duties to the oversight board for children, youth, and families.