 Harrison was a qualified teacher, and amongst his positions was that of Sports and Mathematics teacher at Farleigh School, firstly at Basingstoke and from 1982 at Red Rice near Andover.Harrison's club cricket was with Basingstoke & North Hants Cricket Club, where he also coached.He also excelled at other sports, gaining county recognition in badminton and table tennis and could also have done so in hockey while at school but football took preference.