The University of Plymouth is a public university based predominantly in Plymouth, England where the main campus is located, but the university has campuses and affiliated colleges across South West England. With 19,645 students, it is the 57th largest in the United Kingdom by total number of students. It has its roots in the Plymouth School of Navigation, founded in 1862. It became a university in 1992. The university is known for its strengths in marine science, environmental science, and robotics.