Chester College International School is a small, private, coeducational, international American day and boarding school founded in 1985, for students from Early Childhood I (age 3) up to Grade 12 (age 18).

We are located in the outskirts of Santiago de Compostela, the capital of the region of Galicia, in Northwest Spain, on spacious green grounds, overlooking the wide Ulla valley.

Chester College I. S. is accredited by AdvancED (currently Cognia) and the Spanish Ministry of Education. Credits taken in Chester College are automatically transferable to other American schools. Similarly, transfer systems apply to other educational systems.

Apart from its school year activities, Chester College International School is also renowned for its international language summer camps for children and teenagers.

Our Mission

Chester College International School‘s mission is to strive to provide its students with an outstanding well-rounded education, which will help them develop their creativity, reach their full potential and prepare them intellectually for higher study and future careers in a global context.

Chester College I. S. has a Christian Catholic ethos. The education provided emphasises:

  • Responsibility with oneself and others.
  • Respect, mutual cooperation and self-betterment.
  • Critical thinking, responsibility and autonomy.


Chester College International School is accredited by the independent US accreditation agency AdvancED and the Spanish Ministry of Education.

It is also affiliated since 1994 with the Mediterranean Association of International Schools (MAIS). MAIS is professional organisation that strives to improve the quality of education in its Member schools. It promotes the professional development of Faculty, Administrators, and School Board Members, effects communication and interchange, and creates international understanding. Currently, MAIS is composed of schools in Spain, Italy, Portugal, France, Morocco, Tunisia, Egypt and Cyprus.


Chester College International School was purpose-built in 1984. It is situated 3 km from Santiago de Compostela and stands on a hill in spacious green grounds overlooking the wide Ulla valley.

There are 8 classrooms, a central hall, a Science laboratory, an Art room, a Music room, a Computer room, a library, two football pitches, a tennis/basketball court and a large outdoor swimming pool.