Leioa, Spain
Curriculum: IB, Spanish, British, Trilingual
Age Range: 0-18
Annual Fees: €3,000 - €5,000 per year
Rating: 4.3 / 5.0
Colegio Gaztelueta is a trilingual (Spanish–Basque–English) IB World School in Leioa, minutes from Bilbao, serving students from 5 months to 18. It is authorised for the IB Primary Years Programme and is a candidate school for the Middle Years Programme, with upper years following ESO and the Spanish Bachillerato. French is offered as an elective subject and as an extracurricular activity.
Annual tuition at Colegio Gaztelueta is approximately €3,000–€5,000 per year, depending on stage and the services chosen. As a state-subsidised (concertado) school, fees are lower than most fully private international schools. Contact the school for the current fee schedule, sibling discounts and optional services (dining, transport).
Admissions follow the official Basque Government enrolment calendar (the main application window for 2026–2027 runs in February 2026), with applications submitted online via the Department of Education or in person at Gaztelueta when it is the family's first-choice school. The school also welcomes families year-round for personalised visits and Open Days. Internationally mobile families can contact admissions directly at secretaria@gaztelueta.com to discuss places and timing.
Phone: +34 944 633 000
Email: secretaria@gaztelueta.com
Address: Barrio de Artaza, 87, 48940 Leioa, Bizkaia, Spain
Website: https://www.gaztelueta.com