after retirement, booth resumed full-time duties as a sydney schoolmaster. he spent 12 years as a teacher in the government secondary schools of new south wales before becoming an instructor in physical education at sydney teachers college in 1967. before retiring in 1989, booth served as the head of the health and human movement studies department at the sydney institute of education—the successor of the stc—for five years. in 1958, he married judith williams, whom he met at stc. they had four daughters, the first being born in 1961, and six grandchildren. booth is the uncle of hammer thrower brooke krueger-billett, who represented australia at the 2006 commonwealth games.