Quick summary of key school information
School details
| Number of students |
755 |
| Number of nationalities represented in the school |
62 |
| Most common nationality |
American and Portuguese |
| Ratio of local students to international students |
19% local: 81% international |
| Native English speaking teachers |
Yes |
| Language support for students not fluent in English |
English Support |
| Additional language classes offered by the school |
Portuguese, French and Spanish |
| Max. number of students per class |
Classes in Early Childhood 3, 4, and 5 year olds are usually limited to 20. Early childhood classes have two classroom teachers, one native English speaker and one native Portuguese speaker. In Grades 1 through 12, class sizes are also usually limited to 20, but some classes are significantly smaller, depending on the subject taught and the needs of the children. |
| Average number of students per class |
20 students |
| Does the school employ teaching assistants? |
Only when necessary |
| Use of technology in the classroom |
Technology is widely used to support and enhance learning. Each student in Grades 6 through 12 became eligible to check-out a school laptop for his/her use during the year; Grades 1 through 5 had laptops assigned on a 1:1 ratio for student use at school. |
| Is the school ready to use virtual classrooms when needed? (e.g. teaching lessons online during emergencies) |
We used to have it during Covid, but currently all classes are presential. |
| Do students practice religion at the school? What religion? |
CAISL is a non-sectarian school and students and teachers come from many different countries and ethnic ancestries, races, and religions. The school community will go beyond tolerance to treasure differences and look upon them as an opportunity for learning which will enrich each individual and promote personal growth. Students will be taught about religion as part of their studies of art, music, literature, history, social studies, and other academic disciplines where religious influences are apparent. |
| External examinations or assessments available |
IB Diploma |
| Results in these examinations |
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 |
| Do teachers assign homework to their students? |
Yes |
| Approximate hours of homework given |
Our goal is to ensure that students do not spend too much time on homework. The amount varies by grade level and typically ranges from 5 to 40 minutes. |
| Percentage of students who pursue further education post-graduation |
In 2024 there were 64 graduating seniors: 16% matriculated into American Universities, 18% into British Universities, 13% into Portuguese Universities, 13% into Dutch Universities, 24%% into universities elsewhere in the world and 16% took a gap year. |
| Dedicated staff/programs for students with special learning needs |
Learning Support |
| Learning support offered |
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.
THE LEARNING SUPPORT TEAM IS COMMITTED TO SUPPORTING STUDENTS IN A TIERED AND COLLABORATIVE APPROACH, BY:
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| The school supports gifted, able and talented students |
CAISL Enrichment & Extension Program (EEP) caters to each student's unique needs, potential, and strengths. The school is dedicated to offering challenging learning experiences that leverage individual strengths and encourage growth for all students. |
| Student access to education psychologist |
Yes. |
| Entry evaluation for students |
CAISL does not apply any exams, interviews or any other kind of assessment during the application process. We may only need to apply an English Language Assessment for students joining High School, as we need to make sure that the students are proficient with the usage of the language, being used to work in English. |
| Brief description of entry evaluation required |
At CAISL, we do not conduct exams, interviews, or other assessments as part of the application process. The only exception may be an English Language Assessment for students entering High School, as we need to ensure that they are proficient and comfortable working in English. |
| Waiting list |
In many grades, our Waiting Lists are quite long. |
| Deadline for registration (new academic year) |
No deadline. |
| Students can join after academic year begins |
As an international school, CAISL has students entering and leaving at all points during the school year. Therefore, CAISL has “rolling admissions” which means that students can be accepted and can enter at any point in the school year. Ideally, for ease of academic and social transition, entry at the beginning of an academic “quarter” or the “semester” is ideal but not required. |
| School start time |
8:20 |
| School finish time |
15:45 |
| Supervised care before/after school |
CAISL offers after-school activities for all age groups, as well as childcare for students in Early Childhood and Elementary (excluding half days). Some extra activities and after-hours care may involve an additional fee. All children must be picked up no later than 17:50. |
| School bus service available |
Yes |
| School provided lunches |
Yes |
| Food alternatives for special dietary needs (ie. vegan, kosher, halal etc) |
We have a vegetarian option available every day. |
| Uniform required |
No |
| Extracurricular activities or clubs offered |
Depending on the age group: Arts & Crafts, Ballet, Basketball, Soccer, Volleyball, Ceramics, Chess, Chinese Native and as Foreign Language, Choir, Community Service, Cooking Club, Cross Stitching Club, Digital Design and Programming, DJing, Drums, Dungeons & Dragons, Ecolution Club, Experimental Art, Fashion Design Cut & Sew, Film Making, Games Club, Girls Scouts, Guitar, Gymnastics, Hip-Hop, Homework Clinic, Yoga, Lego Club, Minikinos Stop Motion Film Making, Next Gen Leaders, Office Hours, Piano, Portuguese Club, Robothink, Scrapbooking, Sewing, Singing and We Farm |
| Sports activities included |
In addition to the activities mentioned above, students are welcome to take part in athletic tournaments held throughout the year. These are organized by season, allowing students to compete in track and field, cross-country, soccer, basketball, and volleyball. |
| Sports teams or sport competitions available for students |
Yes |
| Facilities at the school |
CAISL has a theatre with 450 seating places, two libraries, dedicated science labs and generic science labs (depending on the age group), a snack-bar, a cafeteria and a choir and orchestra room. |
| Sports facilities at the school |
Gymnasium, playground, 2 turf soccer pitches, 2 outdoor basketball court. |
| Qualities and characteristics best defining the school |
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. |
| Teaching approach of the school |
CAISL is committed to:
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