Ranked purely by parent interest — the number of families who opened each school’s profile and spent time reading it between October 2025 and September 2026.
King's College School Cascais is a private international school in Portugal offering a blended Cambridge-IGCSE curriculum with the International Baccalaureate Diploma Programme and A-Levels pathway for senior students. The school delivers Cambridge International Primary and Secondary curricula up to Year 11, complemented by a bilingual Portuguese-English stream through Year 5. In Years 12 and 13, students may choose between the International Baccalaureate Diploma Programme and A-Levels, while the school is pursuing authorization to offer the IB Diploma Programme as a candidate IB World School. The new private campus, inaugurated in September 2025 on a 40,000 m² site, provides university-grade science laboratories, technology-rich classrooms, and spacious performing and visual arts studios. A Boarding House for up to 50 students aged 13–18 offers a safe residential experience. The curriculum is enhanced by the Inspired global network, exchanges and collaborations, and sport facilities including a 25 m pool and full-size pitches for student wellbeing.
Leiria International School serves students aged 3 to 18 with a Cambridge curriculum from Early Years through A/AS Levels, taught entirely in English. The programme encompasses Cambridge Primary, Cambridge Secondary, Cambridge IGCSE, Cambridge International AS Levels and Cambridge A Levels, complemented by a Reggio Emilia Approach in the early years. The first LIS campus is located in Marinha Grande, in a historic building dating from 1966 that has been renovated for modern use. Learning spaces are designed to support the whole person—physical, mental, emotional and spiritual development. Outdoor learning is central, with projects that integrate nature and community engagement. The interior design emphasizes transparency and movement, with flexible spaces prepared for project-based learning and integrated digital technology. The campus aims to feel like a welcoming home while maintaining clear academic standards. All instruction is in English, and LIS is an accredited Cambridge International program provider.
Annual fees
Fees not listed
Ages
3 to 18 years
Curriculum
Cambridge (Primary), Cambridge (Secondary), Cambridge IGCSE, Cambridge International AS Levels, Cambridge A Levels
International School of Palmela serves learners aged 5 to 18 in an international setting. The school integrates the British Curriculum with an Islamic Curriculum, providing a clear framework for primary through secondary education. This dual-curriculum approach supports students as they progress from early years through senior years, with assessments aligned to British standards while incorporating Islamic studies where appropriate. The school fosters an inclusive, culturally respectful community, enabling pupils from diverse backgrounds to engage with global perspectives alongside religious education. Instruction emphasizes core subjects, critical thinking, and personal development within an ethical framework. Families seeking an internationally oriented program that respects Islamic values will find continuity across the key stages. The school prepares students for further study worldwide, offering guidance and support for transitions to higher education and empowering them to contribute responsibly in a global society. The school emphasizes a collaborative learning culture and respectful values in daily life.
CLIB - The Braga International School offers education for ages 3 to 18 in Braga, Portugal, delivering a British-based curriculum with Cambridge IGCSE and Cambridge International AS/A Levels (AICE Diploma). English is the principal language of teaching, with Portuguese guiding languages for the curriculum; Spanish is compulsory from Form 5. Lower and Early Upper School follow the English National Curriculum, while the Upper School aligns with Cambridge examinations to facilitate university access in Portugal and abroad. Founded in 1999, CLIB is coed, non-denominational institution within a Lusinternational network and maintains connections with ECIS, emphasizing equivalency with national and international education systems. The school operates with eight fundamental pedagogic beginnings: Academic Excellence; Learning to Learn; Team Work; Diversity and Trans-Cultural Education; Ethical and Moral Development; Individual Interests and Necessities; Joint Decision Taking; Expressive Arts. It integrates research projects, thematic work, and a democratic, inclusive learning community that involves students, families and staff worldwide.
St. Julian's School is a British international school in Greater Lisbon, Portugal, welcoming students from ages 3 to 18 and international families worldwide. It has educated region since 1932 and offers pathways: English Curriculum and Bilingual Curriculum. The English pathway follows the National Curriculum for England from Nursery to Year 13, leads to GCSEs in Year 11, and provides IB Diploma or Career-related Programme in Years 12–13. The Bilingual Curriculum teaches the Portuguese National Curriculum in English and Portuguese for ages 6–15, with a foundation to GCSE before IB Year 12. Portuguese is compulsory to Year 9 in both routes. The school is accredited by CIS, COBIS, NEASC and the International Baccalaureate Organisation, and its Head is a member of the Heads' Conference. Its 18th-century palace sits on grounds at Carcavelos beach, with a €50 million Second Century project enhancing facilities and green spaces. Activities include MUN, Eco-Schools and CAS.
Annual fees
€12,384 – 29,097
Ages
3 to 18 years
Curriculum
British Curriculum, Cambridge IGCSE, Pearson Edexcel IGCSE, IB (DP), IBCP (International Baccalaureate Career-related Programme)
St. Peters International School is a co-educational international school in Palmela, Portugal, serving students from four months to 18 years, including a on-campus boarding residence for ages 14–18. Founded in 1993 by Isabel and Armando Simão, it joined Inspired Education Group in 2019, becoming part of a global network of premium schools. The 37,000 m² campus houses modern classrooms, science laboratories, Music and Art rooms, a contemporary auditorium, and expansive green spaces, plus two tennis courts, astroturf pitches for football and rugby, and a dedicated sports pavilion. English is the language of instruction, with Spanish and Mandarin offered as additional languages. From Primary to Secondary, learning follows two pathways: the Portuguese Pathway (National Curriculum, bilingual learning) and an International Pathway delivering Cambridge, IGCSE, and the IB Diploma Programme. A bilingual Preschool serves 0–5 years. The school emphasizes values like citizenship and community, offering 100+ extracurricular activities to enrich studies. Preparing students for higher education.
CLIP – Oporto International School is an international, non‑profit day school in Porto, Portugal, serving learners from ages 3 to 18. The school offers an international curriculum based on the English National Curriculum, with Cambridge IGCSE and Cambridge A Levels as the assessment pathway, tailored to CLIP's local context. The campus covers more than 25,000 square metres in a desirable area of Porto, with a multi‑functional layout that supports learning across age groups. Facilities include a 200‑seat auditorium, two 100‑seat amphitheatres, multiple art rooms, a Music Centre, a Drama Room and extensive science labs, plus a 25‑metre heated indoor pool. Outdoor sports facilities feature two tennis courts, a football pitch, basketball court and climbing wall. Extra‑curricular activity emphasises Model United Nations and Community Service, with Fine and Performing Arts integrated throughout. Notable opportunities include OPOMUN 2026, an All Day F8 English Talk Competition, and a CERN trip for senior students.
Annual fees
€9,140 – 15,190
Ages
3 to 18 years
Curriculum
British Curriculum, Cambridge IGCSE, Cambridge A Levels
CJD International School in Porto, established in 2023/2024 after joining the Dukes Education network, delivers Cambridge education within Colégio Júlio Dinis. The Cambridge curriculum is the core: Cambridge Primary and Lower Secondary, IGCSE, AS and A Levels, with Cambridge ICE as a group award. English is the official language of instruction; home languages are valued and may be used as learning resources, and EAL support is available. Cambridge Upper Secondary centers on IGCSE, with credit-based progression; to reach Cambridge Advanced, students must accumulate at least seven credits and pass at least five in IGCSE. The facilities include laboratories for chemistry, physics, biology and geology, and a STEM room for interdisciplinary work. The campus comprises buildings with indoor and outdoor sports facilities and a Music Centre and Performing Arts. DELF and DELE exam centers enable language certification. The school participates in eTwinning and Erasmus+ projects, Eco-Schools, and digital leadership initiatives, broadening collaboration across international networks, and fostering a global outlook.
Annual fees
€9,295 – 10,670
Ages
5 to 18 years
Curriculum
Cambridge (Primary), Cambridge (Secondary), Cambridge IGCSE, Cambridge International AS Levels, Cambridge A Levels
NOAP is a Dutch day school in the Algarve near Silves delivering fully Dutch-language education for primary and secondary students aged 3 to 14. The school follows the Dutch curriculum and is affiliated with NOB (Dutch Education Abroad) and approved by the Dutch Ministry of Education, Culture and Science. By collaborating with the Dutch Education Inspectorate, NOAP ensures Dutch compulsory education requirements are met, allowing seamless reintegration if a pupil returns to the Netherlands. For families staying in Portugal, the curriculum places emphasis on Portuguese and English language studies to support progression into the Portuguese and international school systems. The campus is set in a rural area among orange trees, offering small class sizes and personal attention. After-school care (BSO) runs 15:15–17:30 for 4–12-year-olds, at least once per week. Portuguese language and culture lessons are integrated into daily learning. The NOAP Foundation administers the school; statutes are filed with the Dutch Chamber of Commerce (KvK 75752123).
Colégio Santiago Internacional (CSI Tavira) is a coeducational independent school located in central Tavira in a 15th‑century building considered a historic landmark. Open to ages 3 to 18, it follows the English National Curriculum with bilingual instruction in English and Portuguese, adapted to meet each student's needs. The community includes more than 27 nationalities and about 130 students. The curriculum emphasizes mathematics and science, with the Arts and Sports component given significant emphasis, and a commitment to fostering an international culture and interest in other languages and cultures. The campus houses 16 classrooms plus facilities including a science laboratory, a music studio, a radio station, a computer room, an art room and a canteen offering healthy, sustainably sourced meals. Class sizes are capped at 18. A-levels are offered in Years 12 and 13. Extracurriculars include Tennis Club, Ballet, Portuguese Arts & Crafts, Egyptian Arabic Classes and Homework Club, supporting personal development alongside academics.
