No Miracle that 99.8% of the schoolchildren survived the tsunami.
Almost all the elementary and junior high school children of Kamaishi, a small coastal town in Iwate, managed to survive the tsunami. Many people said it was a miracle, but it wasn't. The response capabilities they learned at school helped them to overcome a disaster that exceeded all worst-case scenarios. See article here: http://wedge.ismedia.jp/articles/-/1334?page=1.