It was a major milestone for the Annunciation Catholic School community on Tuesday as students returned to the classroom for the first time since the tragic shooting .

The reunion occurred almost three weeks after the attack, which killed two children, 10-year-old Harper Moyski and 8-year-old Fletcher Merkel ; more than 20 others were hurt, mostly children and three adults.

"What they've needed is time, space, privacy and connection," Jenny Britton, chief clinical officer at Washburn Center for Children, said. "The assignment today is to be together."

Britton said she and a team of up to 10 mental health professionals from Washburn arrived on-site earlier this month to help with the transition. They'll continue to provide support for the rest of the year as well.

"We're no

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