Oak House School

A non-profit British and IB school in Sarrià, founded 1968 and consistently the strongest IB performer in Barcelona. The 2025 cohort averaged 36 points, which puts the school first nationally and in the top 100 worldwide.

The model layers the British national curriculum, the Spanish local curriculum, and the IB Diploma in English. Around 1,100 pupils, three languages a day, and a community that genuinely is a community rather than an expat bubble. The roll is mostly Spanish, with low turnover and many families staying the full thirteen years.

Facilities for a city school are unusual, including the rare on-site swimming pool, plus residential trips from year two onwards. Teachers stay long, parents are organised through an active AFA, and the head leads a school that takes its non-profit framing seriously.

Practical caveat: English-only entrants need to enter in primary or wait for sixth form, since by middle years the academic load runs heavily through Spanish and Catalan. Families looking for an English-speaking enclave should go elsewhere; Oak House asks for genuine local integration in return for what it gives.

• Small, uniformly positive review pool. All published parent ratings sit at.
• Parents emphasise the trilingual environment (Catalan, Spanish, English) and the family feel of the school.
• Early Years gets specific mention. One parent praised the creativity of the classroom atmosphere and the calibre of teachers.
• The school attracts families looking for genuine local integration rather than an expat bubble. The community is described as predominantly Spanish, with strong family retention through the school.
• No surfaced complaints in English-language sources. Reddit signal is absent.