Jodam Moobat The Academy Dad. Dr Jon Tosh 1/2 we've been at cat 3, top GR and cat 1 over the last 18 months. yes there there isnt a huge difference in level top GR v cat 3 (at least in London). but the difference v cat 1 still seems big. any pressure in GR seemed to come from the ambition to make it into an academy