In 2014, Chang had just finished his high school at Prasat Industrial and Community Education College, where he studied Electronics. Chang graduated with a grade of 3.33 (83%) and wanted to continue another two years to obtain a high certificate. Chang had just turned 18 when Fund Isaan granted him a scholarship. He lived in a small rotten semi wooden house in Plai village near Prasat district. He lived there with his grandparents, his mother and his younger sister.