The conversation has careened from failure to success, and from the generational impact of the Irish housing crisis to the greater social good. There have been detours to the current state of the luxury goods market, and a segway into the nature of entrepreneurship. Along the way, Tommy Kelly has explained how he built a billion-dollar business from the ground up, and revealed how he intended to deploy the money he made when he flipped his remaining stake in the ESW business two years ago. Now, however, the conversation has come to education. Kelly left school after his Inter Cert,…