Levine ha frequentato la scuola privata Brentwood School, dove ha incontrato Jesse Carmichael, Mickey Madden e Ryan Dusick, con i quali ha fondato i Kara's Flowers. ###>==Kara's Flowers==In September 1995, Levine, along with Jesse Carmichael, James Valentine, and Ryan Dusick, another Brentwood High student, formed garage band Kara's Flowers.