FOLSOM, Calif. – A 15-year-old Folsom resident graduated high school in the spring. Now, he attends a private university in California’s city of Orange. Hayden Tran, 15, walked the stage in May for his diploma from Vista Del Lago High School, according to his father, Victor. He is Folsom Cordova Unified’s youngest graduate in recent history, the school district said in a letter to the family. Tran’s feat was also independently confirmed by ABC10.