Three Hawaii high schools are preparing for national competitions.

The state Department of Education says Maui, Mililani and Waipahu high schools will head to the mainland for national competitions in April.

Maui High has captured its fourth consecutive championship in the Hawaii regional Science Bowl. The team will represent Hawaii in the National Science Bowl in April in Bethesda, Md.

The top civics education team in the state is from Mililani High School. The team heads to Washington, D.C. in April for national finals in the “We the People: The Citizen and the Constitution” competition.

Waipahu High School will represent Hawaii in the nationals for LifeSmarts, a consumer education competition in Orlando, Fla.