As a first-year superintendent, Nick Polyak has yet to conduct a search for a principal to lead one of his four schools in the Illinois Valley Central School District in Chillicothe, Ill. When that opportunity does come, Polyak is quite sure he'll be skeptical of any candidate whose curriculum vitae lists courses or entire degrees completed in…

It takes strong leadership skills to successfully run an entity as large and complex as an urban school district, much less turn around one that is low-performing. Most people don't realize that many urban school systems are as large as the biggest companies in America. Yet, most school district leaders and school board members have no specific…