13 42 96 223 | Local 'Gun & School" Story, Spanaway, WA, Cedarcrest Middle School

Notice the post time of 2:23. 

The school is Cedarcrest.

Cedarcrest = 3+5+4+1+9+3+9+5+1+2 = 42/51 (Freemason = 42/51/96)
Cedarcrest = 3+5+4+1+18+3+18+5+19+20 = 96

Well, it seems clear why they picked this school for the story.

http://www.komonews.com/news/local/Sheriff-Spanaway-7th-grader-points-rifle-at-other-students-338083942.html

Notice the 13-year old boy goes to a school on 13th Ave with an address of 19120.

1+9+1+2+0 = 13