Apia is home to a number of pre-schools, primary, secondary and post-secondary institutions, including Samoa's only university, the National University of Samoa.  In addition, the University of the South Pacific School of Agriculture maintains a campus at Alafua, on the outskirts of Apia. Another major School in Apia is Robert Louis Stevenson School which is a private primary and secondary school. Robert Louis Stevenson school is known as Samoa's upper class school, due to many children of Samoa's wealthy classes attending it.