Saints went further behind just before the break when defender Sonny Nickle completely miskicked an attempted clearance on the slippery surface and centre DavidBoyle followed up to touch down.
Author DavidBoyle, of the New Economics Foundation, told BBC News that he was not suggesting that all children should be coached to pass entrance exams into "super-selective" schools, but that the need for coaching to pass some of the tests was "a clear barrier" to some families.