We evaluated 100 thwarted attacks on K-12 schools from 1999-Present.
The data was compiled through various online media outlets. A list of the prevented attacks can be found on the bottom of this page. 

Average Age of Suspect – 15 
70% References made to Columbine 

Attacker(s)
96% Male
(1) Male – 66%
(2) Males – 20%
(3) Males – 6%
(4) Males – 2%
(2) Males, (1) Female – 1%

4% Female
(1) Female – 3%
(2) Females – 1% 

 
Relation to School
73% Current Students
11% Former Students
9% Undetermined
5% No Relation
1% (1) Current and (1) Former Student

Targets: 
75% High School
10% Middle School
8% Districts or General Area
2% Junior High School
1% Junior/Senior High School
1% K-8
1% Elementary
1% High School and Middle School
1% High School and Elementary School

Reporting Person(s)
47% Fellow Students
13% Undetermined
8% Parents of Suspect(s)
8% Anonymous Tip
6% School Staff
6% Citizens
3% Friends
3% Online Users
2% School Resource Officer
1% Grandmother
1% Police Department

Reporting Methods (coming soon)