Web Extensions. edu Higher Education (most U. S. colleges). k12 U. S. School Site (not all U. S. schools use this). sch Schools in the United Kingdom (not all U. K. schools use this). ac Academic Institution

.edu Higher Education (most U.S. colleges)

.k12 U.S. School Site (not all U.S. schools use this)

.sch Schools in the United Kingdom (not all U.K. schools use this)

.ac Academic Institution (usually outside of the United States)

.com Commercial

.org Any Organization

.gov Government Agency

.net Network

.mil U.S. Military