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Our Mission

CAISL is a student-centered educational community in which we challenge ourselves and each other to do our best and to make positive contributions to our diverse and ever-changing world.

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Recent News

Summer Camps 2024

CAISL's summer camps have concluded after two weeks of exciting activities. Campers excelled in acting and film, multi-sports, science exploration, and basketball. Thank you to everyone for an unforgettable summer of fun and learning. See you next year!

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A Heartwarming Visit

Today, our school had the pleasure of welcoming back one of our alumnae Marcela C., who graduated in 2012. Her passion for physical education has always been evident. After graduating from CAISL, she stayed on to work in our PE department as an assistant, sports coach, and PE teacher. 
Last summer, she moved to Kuwait and is now a Physical Education Teacher at the Universal American School in Kuwait.

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Grade 5 Wax Museum

The Grade 5 Wax Museum at CAISL, an innovative initiative under the Portuguese classes, offers a unique and engaging way for students to improve their language skills while delving into history.

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Junior Model United Nations

This Wednesday, CAISL hosted the 19th Annual JMUN Conference, where several local international schools gathered to delve into the theme of Human Rights.

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picture of clay ornaments community service

Grades 9 and 10's Community Service Club crafted unique sustainable ornaments for sale this month. All proceeds support the Lisbon Project Association's efforts to empower migrants and refugees.

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Fall Festival 2023 picture

Last November 3rd we hosted CAISL’s very first Fall Festival. This event was inspired by the cherished tradition of Fall Festivals in the United States, and our Parent Support Group (PSG) worked diligently to organize an event that focused on fostering a sense of community. Given the rainy weather, the PSG ensured indoor fun for dozens of families who attended this amazing initiative. Here's a glimpse of what was in store for the evening:

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Steam Performance Water Themed picture

Last Friday, CAISL students offered a captivating STEAM presentation in our theater, centered around the theme "Water & Our World." The event featured a diverse range of performances by our middle and high school students.

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Theory of Knowledge presentation picture

CAISL welcome Mr. Michael Dunn, founder of, to help 11th graders with TOK challenges in the IB program. Students worked in groups, gaining insights into approaching TOK essays and the exhibition. The school thank to Mr. Dunn for his valuable guidance.

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Halloween 2023 picture

On October 31st, CAISL had a spirited Halloween celebration. Preschoolers showcased their costumes, went trick-or-treating, and Grades 1-5 enjoyed a thrilling performance of "Monster Mash" in the theater. The day concluded with impressive performances from Grades 1-5, making it a fantastic Halloween at CAISL!

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Seniors exhibited their art creations.

A highly anticipated event, the Senior Art Show "The Looking Glass" opened it's doors on March 21st. The exhibit showcases artworks created since September 2021 by seniors from the combined IB art and Advanced Art II courses.

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2023 Carnival Parade

CAISL's theater boiled with excitement as elementary students got ready fir their Carnival parade. All of the students from EC3/4 through Grade 5 participated by dressing up in Carnival costumes, and parading (and dancing!) across the stage to the beat of drums played by the Adult Percussion Group.

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