Edited by Giulia Ceccon · Chief Marketing Officer
Portugal offers a range of international schools for expat families, with options spanning British, IB, American, and other curricula. Families relocating here will find schools at various price points, from affordable to premium institutions with world-class facilities.
Compare 21 international schools in Portugal. Filter by curriculum, fees (average EUR 15,322), location, and more to find the right international school now.
Carlucci American International School of Lisbon (CAISL) is a nonprofit, non-denominational day school serving students from age 3 through 18. It offers both the American curriculum (EC3–12) and the International Baccalaureate Diploma, under a Portuguese Ministry of Education license that authorizes awarding the American High School Diploma and the IB Diploma. English Language Arts and Mathematics align with the Common Core, Science follows the Next Generation Science Standards, and Social Studies uses the C3 Framework. Portuguese is taught from Grade 1 to 9 in Native/Fluent Speakers and Portuguese as a Foreign Language tracks. CAISL is affiliated with the U.S. Office of Overseas Schools. The Linhó campus hosts Pre‑School to High School with science labs, arts spaces, 400-seat theatre, a main library, and athletics facilities including a soccer field, fields, basketball courts, a track, indoor gym, and a fitness room. CAISL offers Model United Nations and arts, athletics, and service programs.
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.
St. Dominic's International School is an IB World School in Portugal offering the full IB Continuum (PYP, MYP, DP) for students aged 3 to 18. The Primary Years Programme runs Nursery to Grade 5 as a transdisciplinary, inquiry‑based programme organized around six themes. The Middle Years Programme covers Grades 6–10, using Global Contexts and including Service as Action and the Personal Project across eight subject groups. The Diploma Programme is for Grades 11–12, with core elements Theory of Knowledge, Creativity, Action and Service and the Extended Essay, alongside a range of DP courses. The campus sits in a green setting about 25 kilometres from Lisbon. Facilities include 82 classrooms, two libraries, science, technology and computer labs, art, music and drama rooms and two multi‑use gymnasiums for football, basketball, volleyball, tennis and badminton. The SDIS Educational Garden supports outdoor learning, complemented by an arts program and EAL support for international students.
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.
PaRK International School is an international school in Lisbon, Portugal, with campuses at Alfragide, Praça de Espanha, Restelo. It serves students aged 1 to 18 and delivers a bilingual English-Portuguese programme from Early Learning through Grade 4, followed by a Cambridge International pathway (IGCSE, AS/A Levels) and the IB Diploma Programme. The curriculum integrates technology and 21st-century skills across subjects, and the early years incorporate elements of the Reggio Emilia approach. The Alfragide campus is the largest, housing technology-enabled classrooms, an auditorium, music studios, an arts hub, labs and a MakerSpace, plus extensive sport facilities and outdoor spaces. Extracurriculars span sport, dance and performing arts, visual arts, STEM activities and a range of clubs. The school emphasises multilingual communication and international mindedness, with Portuguese and English used for daily life. In 2020 PaRK IS earned IB Diploma Programme certification, IB cohort graduated in 2022, and 2025 DP results remain strong.
Oporto British School (OBS) is a British international school in Foz do Douro, Porto, educating pupils from age 3 to 18. The curriculum combines the Early Years Foundation Stage and the British framework with Cambridge IGCSE studies and the International Baccalaureate Diploma Programme, offering an international education from Early Years through Secondary. Portuguese is taught in Lower Primary, reflecting the local context. Founded in 1894, OBS sits on a campus overlooking the Douro River. Facilities include a Primary Building with EYFS and Primary classrooms, a Library, IT rooms, and the Farn and Teage Buildings for specialist spaces; Teage Hall hosts music and drama. Campus Development Plan adds a Primary Building with 16 classrooms, a dining room, and a Multipurpose Building with labs and a pastoral hub, plus expanded sports facilities. Notable programs include OBSMUN, robotics and coding, science and arts clubs, School Orchestra, Choir, and the Duke of Edinburgh Award.
PaRK International School is an international school in Lisbon, Portugal, with campuses at Alfragide, Praça de Espanha, Restelo. It serves students aged 1 to 18 and delivers a bilingual English-Portuguese programme from Early Learning through Grade 4, followed by a Cambridge International pathway (IGCSE, AS/A Levels) and the IB Diploma Programme. The curriculum integrates technology and 21st-century skills across subjects, and the early years incorporate elements of the Reggio Emilia approach. The Alfragide campus is the largest, housing technology-enabled classrooms, an auditorium, music studios, an arts hub, labs and a MakerSpace, plus extensive sport facilities and outdoor spaces. Extracurriculars span sport, dance and performing arts, visual arts, STEM activities and a range of clubs. The school emphasises multilingual communication and international mindedness, with Portuguese and English used for daily life. In 2020 PaRK IS earned IB Diploma Programme certification, IB cohort graduated in 2022, and 2025 DP results remain strong.
Nobel Algarve British International School’s Almancil campus, inaugurated in 2020, offers a contemporary learning environment in the heart of the Algarve's "Golden Triangle." Students follow a contextualized English National Curriculum, progressing from the Early Years Foundation Stage through to IGCSEs, A-levels, and the International Baccalaureate Diploma. The purpose-built campus features specialized science laboratories, a multimedia center, and a central green quad designed around Feng Shui principles to promote a calm atmosphere. A distinctive feature is the "Pause Pod," a dedicated space for reflection and mindfulness, alongside a strong Forest School program that utilizes the region's natural landscape for outdoor education. With a multinational community representing over 50 nationalities, the school integrates local culture through Portuguese language lessons while maintaining a British educational framework. Notable for its eco-friendly design, the campus includes sensory gardens and high-tech classrooms equipped with interactive whiteboards to support individual student growth in a focused, day-school setting.
Oeiras International School (OIS) is a non-profit, parent-founded International Baccalaureate World School offering a full IB Continuum for ages 6 to 18. The curriculum spans the Primary Years Programme (PYP) for ages 6 to 10, the Middle Years Programme (MYP) for ages 11 to 16, and the Diploma Programme (DP) for ages 17 to 18. The school is housed on the Quinta de Nossa Senhora da Conceição estate in Barcarena, Oeiras, a historic 17th‑century property with riverine and woodland spaces that support hands‑on learning. Facilities include the Palace library, science labs, art and music rooms, classrooms in the Pavilion and White/Orange Building, and on‑site sports amenities such as a swimming pool, basketball court, football pitch, and a multisport pavilion. The campus also runs social projects from its garden farms and offers diverse co‑curriculars, languages, MUN, and the Duke of Edinburgh award. Students graduate ready for university admissions and global citizenship.
International Sharing School – Taguspark is an IB World School in Lisbon, Portugal, offering the International Baccalaureate across the full continuum: the Foundations Programme (ages 1–3), the Primary Years Programme (3–11), the Middle Years Programme (11–16) and the Diploma Programme (16–18). The school serves learners from 1 to 18, with English as the language of instruction and a multicultural community of 50+ nationalities. In 2021 it became a fully authorised IB Continuum School, with a purpose-built facility dedicated to MYP and DP. The campus features flexible, collaborative spaces designed to support inquiry-led learning, plus a range of after-school activities including sports, arts and technology. The ASA programme provides enrichment in technology, arts, science and sport, with offerings such as 3D modeling, programming, and art. The school traces its roots to Madeira and joined the Dukes Education Group in 2023, reinforcing its global outlook and support for families new to international education.
The Lisboan International School is a British international school in central Lisbon. Opened in September 2025, it currently serves students from FS1 to Year 10, following the Cambridge International Curriculum and progressing to Cambridge IGCSE examinations at the end of Year 11. From 2027 it will offer the International Baccalaureate Diploma Programme. The school occupies a historic building in Alcântara that has been renovated into flexible, innovative learning spaces powered by solar energy and designed for low energy use. The City as Our Classroom approach links learning to Lisbon's culture and community, fostering curiosity, confidence and global citizenship. The Artemis Education network supports the school, alongside COBIS membership and ongoing accreditation work toward CIS and WASC. A strong emphasis on outdoor education and sport is supported by partnerships with Atlético CP, Monsanto Forest Park and Escala25, while music and arts flourish through collaboration with the Lisbon Metropolitan Orchestra, inspiring education.
PaRK International School is an international school in Lisbon, Portugal, with campuses at Alfragide, Praça de Espanha, Restelo. It serves students aged 1 to 18 and delivers a bilingual English-Portuguese programme from Early Learning through Grade 4, followed by a Cambridge International pathway (IGCSE, AS/A Levels) and the IB Diploma Programme. The curriculum integrates technology and 21st-century skills across subjects, and the early years incorporate elements of the Reggio Emilia approach. The Alfragide campus is the largest, housing technology-enabled classrooms, an auditorium, music studios, an arts hub, labs and a MakerSpace, plus extensive sport facilities and outdoor spaces. Extracurriculars span sport, dance and performing arts, visual arts, STEM activities and a range of clubs. The school emphasises multilingual communication and international mindedness, with Portuguese and English used for daily life. In 2020 PaRK IS earned IB Diploma Programme certification, IB cohort graduated in 2022, and 2025 DP results remain strong.
Redbridge International School is located in Lisbon’s Campo de Ourique neighborhood, providing a trilingual education in English, French, and Portuguese. The school uses the International Primary Curriculum (IPC) and the French National Curriculum in its primary years, transitioning to the International Baccalaureate (IB) Middle Years and Diploma Programmes for secondary students. The campus includes a dedicated library, a multi-use sports court, and a creative atelier for student projects. A unique feature of the school is the "Redbridge Project," a trilingual immersion initiative where students switch between three languages throughout their daily learning and social interactions rather than keeping them separate. The school frequently uses the surrounding neighborhood as a learning space, with students visiting the local market and community gardens for practical lessons. This model focuses on linguistic flexibility and integrating the school environment with the local urban community through direct interaction and multilingual communication.
Eden Montessori International School in Albufeira, Algarve, Portugal, serves children from ages 3 to 12. The school uses a Montessori curriculum for Pre-School and Elementary levels and, since 2024, blends Montessori pedagogy with the International Baccalaureate Primary Years Programme. Eden is a Candidate School for the PYP and is pursuing authorization as an IB World School. The school operates a bilingual environment in English and Portuguese, fostering language development from early childhood. Programs include Children's House (3–6 years) and Lower and Upper Elementary (6–12 years), plus Extracurricular activities and aftercare for ages 3–12. The Montessori framework centers on Practical Life, Sensorial, Language Arts, Mathematics, and Cultural subjects, with integrated study of ecology, chemistry, anatomy, art, music, physical education, reading, drama, history, and geography. Extracurriculars include swimming, forest school, horse riding, arts and crafts, dance, and music, reinforcing independence, hands-on learning, and a love of learning in a diverse bilingual setting.
Redbridge International School Lisbon provides a plurilingual education across two Lisbon campuses. Campo de Ourique serves Early Years and Primary, featuring pavilion, library, science labs, art studio, music room, dojo and sports hall. Tapada da Ajuda, opened in 2024 on a three-hectare site, supports Secondary education with four buildings and outdoor spaces in a modern eco renovation. The school offers a pre-university STEEM programme with ISA and strengthens the Cambridge pathway for English learning. It delivers a bilingual French/English stream for the French International Programme from 6e to Terminale, leading to the Baccalauréat Français International, and the Cambridge International Programme from Year 8 to Year 11, culminating in the IB Diploma in Years 12 and 13. Primary Years follow the French International Programme (CP–CM2) and the Portuguese International Programme (1.º–6.º ano). Green Flag in 2025. Afterschool clubs include surfing with Tiago Pires Surf School, tennis with Fred Gil Academy, robotics.
Vilamoura International School, founded in 1984 as Colégio Internacional de Vilamoura, is a private international school in the Algarve serving ages 3 to 18. The school offers two curricula: Portuguese Studies following the Portuguese national curriculum and English Studies based on a British international framework. The English pathway follows the British National Curriculum in Primary, Cambridge Lower Secondary and IGCSE, culminating in IB Diploma Programme in Grades 11 and 12. The Portuguese pathway includes national examinations in Grades 9 and 12. CIV is a Cambridge International Examination centre and an Alliance Française centre, reflecting a bilingual, multilingual approach. Early language learning includes Portuguese, English and French, with opportunities to study Spanish, German and Russian as extracurricular activities. English-exposure students receive EAL support to help integrate. The campus spans 27,000 m² with outdoors, science labs, Music and Art rooms, ballet studio, gymnasiums, astroturf field and multiple courts. CIV is part of Inspired Education.
TASIS Portugal is an international school for students aged 3 to 17, located on a purpose-built Sintra campus that opened in 2020. The curriculum combines Cambridge IGCSE in Grades 9–10 with the International Baccalaureate Diploma Programme for senior years; progression from IGCSE to the IB requires passing six subjects with a grade C or better, and IB assessments include Theory of Knowledge, Creativity, Activity and Service, and the Extended Essay, with a diploma score up to 45. The campus offers two libraries, a Lower School Learning Commons, a full-size theater and a smaller theater, dedicated music and art rooms, and a turf field for outdoor sport. The After-School Activities Program provides coding, robotics, sports, arts, music, MUN and language clubs for Grades 1–12. Creativity, Activity and Service is embedded in the IB, and the school plans to graduate its first class in spring 2026. TASIS Portugal operates under TASIS Foundation.
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.
International Sharing School Madeira (ISS Madeira) is an IB World School offering the Primary Years Programme, Middle Years Programme and Diploma Programme. English is the official language of instruction, and ISS Madeira serves a community representing over 35 nationalities. The IB curriculum uses an inquiry- and concept-based approach across subjects, with emphasis on language development. The Diploma Programme includes Language & Literature, Language Acquisition, Individuals & Societies, Sciences, Mathematics and The Arts, with options such as English A, Portuguese A, and language acquisition subjects including Portuguese B, German B, French B and Spanish B. The DP core elements—Extended Essay, Theory of Knowledge and CAS—encourage independent inquiry and personal growth, preparing students for university. The school's learning environments are flexible and student-centered, evolving from PYP to DP, with spaces such as Mountain Top, Cave, Campire, Watering Hole, Hands-On and Movement. ISS Madeira originated as Madeira British School in 1980 and was recognised as an IB World School in 2017.
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.
United Lisbon International School (ULIS) is a private day school in central Lisbon, Portugal, serving ages 3–18. The curriculum runs from the IEYC (Early Years) to the IPC (Primary), IMYC (Middle), and the International Baccalaureate Diploma Programme for Grades 11–12. Instruction is in English, with Portuguese as a second language. ULIS centers learning on five pillars—Technology, Global Citizenship, Entrepreneurship, Performing Arts, and Sports. The Park of Nations campus houses science and technology labs, STEAM and maker spaces, a library and media center, arts and performance spaces, and 6,500 square meters of outdoor space. A 2024 renovation and a 2025 expansion added a sports hall and auditorium. The school has over 600 students from around 50 nationalities. Founded circa 2020, ULIS is part of the Dukes Education family, delivered its first IB graduates in 2024, and is a NEASC candidate as well as an IB World School, with diverse students worldwide.
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