Skip to main content
WhereNext

Carlucci American International School of Lisbon (CAISL)

International School in Lisbon

Verified

Quick answer

Carlucci American International School of Lisbon (CAISL) is the only school in Portugal assisted by the U.S. Department of State's Office of Overseas Schools, serving 755 PreK-12 students from 50+ nationalities. CAISL offers an American High School Diploma and IB Diploma pathway, accredited by MSA-CESS and IBO. Best suited to American-curriculum families wanting State-Department affiliation in a smaller, family-feel community.

Key facts

  • Curriculum: American, IB taught at Carlucci American International School of Lisbon (CAISL).
  • Tuition: $12,000–$24,000/yr published in EUR, US$ equivalent.
  • 62 nationalities top: American and Portuguese.
  • Ages: 3-18 school day starts at 8:20.
  • Accreditations: MSA-CESS, IBO listed accreditations.
American, IBAges 3-18English$12,000–$24,000/yr(12128-23532)
Est. all-in: $19,320/yr(+7%, modeled)Above average in LisbonGood valueModerate admissions86% data coverage
Students

755

Nationalities

62 (American and Portuguese)

Class Size

Not published

Admissions

Rolling

Accreditations

MSA-CESS, IBO

multi-curriculumamerican-curriculumibpremium-tierhighly-diverseinternationally-mobile

About Carlucci American International School of Lisbon (CAISL)

Carlucci American International School of Lisbon is a student-centered educational community in which the school challenges itself and each other to do its best and to makes positive contributions to our diverse and ever-changing world.

Learning & language support (SEN / EAL)

Special educational needs (SEN)Stated
English as an additional language (EAL)Stated

This school states meaningful learning-support provision — still confirm it fits your child's specific need.

Why this matters

Special-needs provision at international schools varies widely and is rarely guaranteed by the school itself — and local legal duties differ by country. Confirm what this school provides, in writing, before you commit.

  • Learning support: moderate
  • In-house specialist staff listed
  • Educational psychologist available
  • EAL/ESL support listed

Questions to ask the school

  1. Can you support a child with my child's specific need (e.g. dyslexia, ADHD, autism), and have you done so this year? Ask for concrete examples.
  2. Is there an additional fee for learning support or EAL — and how much per year?
  3. Is learning support guaranteed for the full enrolment, or can it be withdrawn later?
Annual fees and costs for Carlucci American International School of Lisbon (CAISL)
ItemAmount
Annual tuition (USD)$12,000–$24,000
Annual tuition (EUR)12128-23532
Fee year2025-2026
Est. all-in cost (modeled)how we calculate$19,320(+7%)
Est. first-year total (modeled)$20,820
Cost position in Lisbon68th percentile(above average)

Hidden costs & fee notes

US-accredited. AP and IB Diploma. Known for college counseling. Capital fee on entry.

Curriculum

American, IB

External examinations

IB Diploma

Exam results

The average score in 2025 was 34.3 and in 2024 was 36.56. More information can be found here: https://www.caislisbon.org/admissions/welcome/evidence-of-academic-success

Additional languages

Portuguese, French and Spanish

Learning support

The Learning Support Program (LSP) at CAISL is dedicated to fostering the academic, social and emotional development of all students by providing tailored support to those with mild to moderate needs. The goal is to ensure that every student admitted to CAISL, regardless of their individual challenges, can thrive within the regular classroom setting and achieve success in meeting academic requirements. At CAISL, the school Learning Support teachers have specialized qualifications and expertise tailored to address diverse students' needs and to enhance student access to the standard educational curriculum. THE LEARNING SUPPORT TEAM IS COMMITTED TO SUPPORTING STUDENTS IN A TIERED AND COLLABORATIVE APPROACH, BY: • Providing small group instruction and personalized interventions to address specific learning needs. • Regularly monitoring student progress to track growth and adjust support strategies accordingly. • Implementing formal accommodations to ensure equitable access to the curriculum and learning materials. • Developing executive functioning and literacy skills crucial for academic success. • Collaborating closely with teachers, parents, and external specialists to create Individual Educational Plans (IEPs) tailored to each student's unique needs. • Upholding a commitment to inclusivity by providing necessary resources and support while fostering a sense of belonging and empowerment among all learners.

Special needs staff

Learning Support

ESL / EAL support

English Support

Education psychologistYes
School hours

8:20 – 15:45

School busYes
Lunch

Yes

Uniform requiredNo
Dietary accommodations

We have a vegetarian option available every day.

Recommended neighborhoods

Sintra, Cascais, Estoril, Queluz

Verified: 2026-04-26Data source: manual+scrapedConfidence: highData completeness: 86%2 named sources

At a Glance

Fee Position in Lisbon

Mid-range
Median
$5,000$12,000–$24,000$33,723

School Profile

AffordabilitySchool SizeDiversitySupport
Carlucci American International School of Lisbon (CAISL)

Class size: Not published

Student Diversity

62nationalities755 students

Very diverse

Common: American and Portuguese

Build a free school shortlist

Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.