After graduating from Hsinchu High, Hsu was accepted at his first choice, the political science department at National Chengchih University, and during his freshman year he joined the KMT, much to his parents 'displeasure.
新竹高中畢業後，許信良以第一志願考上政大政治系，並且在大一時就加入國民黨，令父母大為震怒。