Highlights and commentary from the 4/30/13 #Edchat on the role of school culture and what drives it. Follow:@blairteach, @tomwhitby @katrinastevens1 @bamradionetwork Katrina Stevens, a former teacher and administrator, is an education consultant with the Tuscany Group (@katrinastevens1). Nancy Blair is a school improvement consultant who frequently worked with the High Schools That Work. Tom Whitby is contributing Editor at SmartBrief, founder of #Edchat,Twitter-Using Educators, and NYSCATE Network.