Several top CPS staffers leave the district following departure of former CEO Pedro Martinez – Chicago Tribune/Yahoo

Turnover in a central office is typical after a superintendent leaves, said Jason Grissom, a professor of public policy and education at Vanderbilt University. Much of that is by design, when new leadership brings in a slate of staffers with them. But significant turnover can be cause for concern, Grissom said, if leadership leaves en masse — particularly during a time of uncertainty for a school district.