We continue training for three more days, eight to twelve hours a day. We will be taking the Ohio Peace Officer Training Assessment at the end of the course. It is the same test required for Ohio police officers, but they are required to hit twenty-six of twenty-nine targets. As teachers, in a school setting…. we are required to hit twenty-seven.

http://bostonreview.net/politics-education-opportunity/thomas-baxter-teachers-guns

This is quite a long article but is worth reading