However, the worst massacres of children were done by the “Religion of Peace” in Beslan, Russia (1 September 2004). Here: http://en.wikipedia.org/wiki/Beslan_school_hostage_crisis
The second worst was the Bath Consolidated School bombing in Bath, Michigan, as discussed.
Third worst was Virginia Tech (16 April 2007) done by Seung-Hui Cho who killed 32 and wounded 25.
Fourth was the Ma’alot, Israel, school attack. Members of the “Religion of Peace” attacked the school on 15 May 1974, killing 31 and wounding 70.