Check out Fox 7’s coverage.
http://tristatehomepage.com/content/fulltext/?sid=153b6f95be0cd44630cf6a915f870afb&cid=5187

School is still on lockdown, but police have just made a sweep of the second floor in the old building. According to an officer making the sweep, everything is ok, but they are making sure.
Police are still on the scene and from the windows students can still see over 20 squad cars [...]

Currently the school is on lockdown, but a message has been given over the PA that the “imminent danger” is over. Evansville police will be sweeping the building to ensure that everything is clear.
More to come.

Currently the school is on lockdown. More information to come.