EDITOR:Your article in Sunday's newspaper regarding the school district's response to the tragedy was very misleading. Several teachers and support staff from around the district told me that they didn't receive so much as an e-mail concerning any so-called heightened awareness. It is unclear in your article what specific steps were taken by the school district to "heighten security." The facts are opposite of Mrs. Noonan's comments that were in The R-C.Mrs. Noonan didn't mention that she eliminated school security with board approval district-wide. Of course, Mrs. Noonan would look you directly in the eye and tell you that school …