

SIS - Seixal International School, LDA
Secular
Updated July 2026
Curriculum
Accreditations
Languages
Seixal International School is a private, bilingual micro-school located in Seixal, Portugal, serving children aged 3 to 11. It offers an innovative, personalized educational experience that integrates international curricula with essential national standards.
Curriculum
Teaching approach
The school operates on a human-centric, positive education model that prioritizes interpersonal relationships and the emotional well-being of each child. It rejects traditional mass-education methods in favour of a personalized approach that respects individual learning rhythms and fosters autonomy and critical thinking. By viewing each student as a unique individual, the school aims to build a positive relationship with learning in a supportive, family-like environment.
Programmes
The school provides a bilingual education (Portuguese and English) for children aged 3 to 11, covering Kindergarten (ages 3-4), Pre-school (age 5), and Primary school (ages 6-11, including 5th grade). The curriculum is certified by Cambridge and includes subjects such as English, Mathematics, Science, ICT, Physical Education, and Art, complemented by Portuguese language, history, and geography. The methodology incorporates diverse pedagogical approaches, including the Montessori method, the Singapore Math method, and the Finnish model, with a strong emphasis on practical, hands-on learning rather than traditional textbooks.
Student support
Learning support
The school employs a personalized teaching approach with reduced class sizes to ensure close monitoring of each student's progress, interests, and challenges. It features a dedicated team, including a coordinator for special educational needs (EMAEI), to support individual development. Additionally, a daily 'Autonomous Study Time' is integrated into the routine, allowing teachers to assess student understanding and adapt instruction to ensure no child falls behind.
Frequently asked questions(6)
- What curriculum does SIS - Seixal International School, LDA offer?
- SIS - Seixal International School, LDA offers Cambridge Primary.
- What ages does SIS - Seixal International School, LDA teach?
- SIS - Seixal International School, LDA enrolls students aged 3 to 11.
- Is SIS - Seixal International School, LDA a day or boarding school?
- SIS - Seixal International School, LDA is a day school.
- What accreditations does SIS - Seixal International School, LDA hold?
- SIS - Seixal International School, LDA holds accreditations including Cambridge International.
- Is SIS - Seixal International School, LDA co-educational?
- SIS - Seixal International School, LDA is a co-ed school.
- Where is SIS - Seixal International School, LDA located?
- SIS - Seixal International School, LDA is an international school in Lisbon, Portugal.
Tuition & fees
No published fee schedule was found for this school.
Admissions
The admissions process begins with a pre-enrolment form, which grants access to a virtual tour, the school's fee structure, and enrolment information. Following this, families may schedule a meeting to clarify questions and visit the facilities in person. Once these steps are completed, parents may submit a final enrolment form, with priority given to available spaces and a waiting list system in place for full classes.
About the campus
The school is currently undergoing an expansion project to increase its physical capacity. The campus is designed as a human-scale, family-oriented environment that supports the school's personalized teaching methodology. It includes dedicated learning spaces for different age groups and is equipped to facilitate both academic and practical, hands-on activities.

- Laura NascimentoCEO, Diretora e Coordenadora Pedagógica. Coordenadora do Pré-Escolar e do Projeto Eco-Escolas
CEO, Diretora e Coordenadora Pedagógica, além de Coordenadora do Pré-Escolar e do Projeto Eco-Escolas. É licenciada em Ensino Pré-Escolar e 1.º Ciclo, atuando também como professora de Português, Ciências e História.
- Sónida NascimentoCEO, Diretora Pedagógica, Coordenadora do Ensino Primário e do Projeto Erasmus+
CEO, Diretora Pedagógica, Coordenadora do Ensino Primário e do Projeto Erasmus+. É licenciada em Design Visual e de Comunicação e em Ensino do 1.º Ciclo do Ensino Básico, atuando como professora de Matemática e de História e Geografia de Portugal.
- MargaridaCordenadora de EMAEI
Coordenadora de EMAEI com 20 anos de experiência. É licenciada em Educação Especial e Reabilitação e possui Mestrado em Educação Especial na vertente de intervenção precoce.
- MilenaCoordenadora de Ensino Doméstico
Coordenadora de Ensino Doméstico. Possui Bacharelato em Tradução e Interpretação, Licenciatura em Educação Básica e Pós-Graduação em Ensino de Língua inglesa e Novas Tecnologias.
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