Principals - and the people who hire and replace them - need to be aware that school improvement does not happen overnight. A rule of thumb is that a principal should be in place about five to seven years in order to have a beneficial impact on a school.
Stockton is a village in Jo Daviess County, Illinois, United States. The population was 1,862 at the 2010 census, down from 1,926 at the 2000 census.
Chicago is the largest city in the state and the third most populous city in the United States, with its 2010 population of 2,695,598. The U.S. Census Bureau currently lists seven other cities with populations of over 100,000 within Illinois.