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Katherine Schwarzenegger's family is getting into back-to-school season

The bestselling author is partnering with Hyland's to make sure all of her children are ready to return to school

Schwarzenegger tells PEOPLE that the fall is a "crazy hectic time"

Katherine Schwarzenegger Pratt is getting into the full swing of back-to-school season.

While speaking with PEOPLE exclusively about her partnership with Hyland's , the bestselling author, 35, opens up about transitioning her children from summer mode into the back-to-school routine. Schwarzenegger Pratt, who shares her children with husband Chris Pratt , describes the season as a "crazy hectic time" in her household.

"The back-to-school time is a crazy, hectic time," Schwarzenegger Pratt tells PEOPLE. "It's always im

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