Because I'm a 'rugby nerd' I have devised a system to determine the Champion ISA Rugby School. Points for 1st, 2nd and 3rd goes like this:
1st XV - 9,8,7
2nd XV - 6,5,4
3rd XV - 3,2,1
Age Group As - 6,5,4
Age Group Bs - 3,2,1
Based on this points system (and doing a bit shared points for ties)...