It released a list of 17 gun-related incidents in the six weeks of the current school year, and said the board tended to count too few such incidents because its definition embraced only acts on school grounds.
This was due to an alleged gun-related incident between a driver and a store owner, which involved illegal firearms.
Delmege Park is considered one of the worst affected areas of Moyross, with several incidents involving petrol bomb attacks and various gun-related incidents that reached a peak in 2006.
The number of players - from all sports - involved in gun-related incidents seems to be growing.
Weapons were the gift of choice for millions of Americans this Christmas, with record sales of firearms in December; but another figure perhaps escaped people's attention - 8,775 people killed in gun-related incidents.
In 2011, 173 officers were killed, with 68 of them being killed due to a gun-related incident.
Between 2004 and 2009, and in early 2011, Fukuoka Prefecture leads the nation in gun-related incidents.
Those detectors sharply reduce gun-related incidents.
It says there have been 56 gun-related incidents, including 5 in which teachers were shot and 16 in which students were shot.
Since January, the police have reported 421 gun-related incidents and 11 deaths.