"I think a lot of people do pull together here, and this was a good time for them to see each other in one place that wasn't a rescue center or a disaster area -- that there was a peaceful place for them to just sit and think about the other people that are here to support them and help."
Saturday's graduation festivities were infused by reminders of the storm's tragic aftermath.
When Southmoore High's Alyson Costilla walked across the stage to get her diploma, about a dozen people in the crowd stood and held up pictures of her mother, who died in a 7-Eleven ravaged by the powerful winds.
Transforming Moore back into the city it was won't be easy. Its public schools alone suffered $45 million in damage, including the two elementary schools that were leveled. Insurance claims related to Monday's storm will likely top $2 billion, according to Kelly Collins from the Oklahoma Insurance Department.
But residents aren't doing it all alone.
Besides the presence of Federal Emergency Management Agency representatives and other public officials on the ground, they've had friends, relatives, even strangers come out to help.
Last week, Caleb Allison stared out at the mass of debris that covered the yard in front of his destroyed home.
"Who's going to come get it?" the Westmoore High School Spanish teacher wondered.
"Even our insurance company said, 'you could pay someone to do it, but it might take days before they can come out here,'" Allison told CNN.
But for Allison, what seemed like a mammoth problem was swiftly solved on Sunday with the help of a group of students, parent-teacher association members and fellow teachers from his school and Heritage Trails Elementary, where his wife teaches music.
"We probably had 70 to 80 people in our front yard," he said, "and we cleaned it in a matter of 30 minutes."
Morgan DeLong, one of the volunteers, said many whose homes survived the storm are eager to chip in.
"It's kind of our turn to return that blessing and help people out. And it's incredible to be around all the faculty members and other students," she said. "It's amazing to just look out and see how our community's coming together."
As Obama got a firsthand look at the debris left by the tornado, the state's governor told CNN that her chief request for the federal government is help plowing through regulatory hurdles.
"Basically what I need is the ability to get through red tape, the ability to get the FEMA funds in here quickly and to get the services that our citizens need to help them recover through this terrible disaster," Gov. Fallin said on CNN's "State of the Union."
Fallin, a Republican, said the initial reaction from the federal government in assisting her state was fast and effective.
"So far we have had great response," she said, quickly adding there was a long way to go before Moore returns to normal.
"This is a massive debris field. It's not just a couple blocks," she said. "It's miles."