From 2000 to 2010, rural Pennsylvania school enrollment decreased by 8 percent. The most significant enrollment decline was in western Pennsylvania, where rural school districts had a 16 percent decline. More than 40 percent of elementary schools and more than 60 percent of secondary schools in western Pennsylvania experienced significant enrollment decreases (15 percent or greater). Statewide, there are 187 districts that are projected to have an enrollment decline of 15 percent or greater. Geographically, these districts are clustered in western Pennsylvania and in the state's northern tier.