Mercer Island High School graduate Macy Poll is in full celebration mode while preparing to receive her diploma on June 8 at Benaroya Hall in Seattle. Andy Nystrom/ staff photo

Graduates toss their diplomas into the air. Andy Nystrom/ staff photo

Andrew Joseph eyes the crowd. Andy Nystrom/ staff photo

Willow Crew, left, and Kelly Cullen enjoy the moment. Andy Nystrom/ staff photo

Annabel Rimmer sings the National Anthem. Andy Nystrom/ staff photo

Cortez Smith receives his diploma from Mercer Island High School Principal Nick Wold. Andy Nystrom/ staff photo

Senior speaker Jayden Wang. Andy Nystrom/ staff photo

Alexandra Hyman receives a hug from Mercer Island School District Superintendent Dr. Fred Rundle. Andy Nystrom/ staff photo

Nineteen valedictorians spoke at the ceremony. Andy Nystrom/ staff photo