High School at a Glance

In high school, girls navigate much more than an academic journey — they mold their character, develop their sense of responsibility and prepare to make a real difference in the world. This is what we call inspiring humanity. Together, one student at a time.

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What if high school changed everything?

High School Differently: Among Girls

In an all-girls environment, girls participate more, learn better and develop lasting self-esteem, without setting limits on themselves. An advantage recognized by research worldwide.

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Going Beyond the Curriculum

Exceeding the Ministry requirements in the hours of instruction and the subjects explored: our students build a solid foundation to succeed in higher education and their professional lives.

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Spanish: An Internationally Recognized Proficiency

A passport for life: our Grade 11 extracurricular course prepares students for the DELE exam, allowing them to reach an upper-intermediate level of Spanish recognized worldwide.

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Cultural Diversity: A Treasure That is Acquired

In Grade 9, a deep dive into the world's great cultural and spiritual traditions, to shape curious, critical and open minds.

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Biology: One Course, Infinite Possibilities

Anatomy, genetics, dissection, meetings and internships with professionals— this Grade 11 college-preparatory course paves the way to a career in the life sciences.

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Anchoring Period: Laying the Groundwork for Better Navigation

In Grades 7 and 9, a dedicated period for autonomy and learning strategies— tailored workshops to help students find their footing at the start of each cycle.

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Strong Mind and Body

Mandatory for all, self-defence training develops awareness, self-confidence and protection techniques. It is an essential prerequisite for graduation from the school.

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First Aid and Resuscitation: Acting When It Really Counts

In Grade 9, all students obtain a CPR and first aid certification from the Canadian Red Cross— A prerequisite for graduation and a lifelong skill.

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Artificial Intelligence Program

In high school, MIAH places ethical reflection at the heart of every learning experience. From Grade 7 to Grade 11, students progress through five intellectual postures: discover, explore, analyze, evaluate, project. This, to develop critical judgment about AI. Awarded in 2026 by the FÉEP, MIAH redefines what it means to prepare young people for the digital age.

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Robotics Program

Founded in 2012, Robotique Marcelline is recognized as the world's best all-female robotics team. In high school, students design, program and operate robots in national and international competitions. Five-time national champions, world finalists since 2020. Here, technology is a path to pushing boundaries and changing the world.

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Unique Intergenerational Program

In high school, Carrefour Mosaïque takes on a whole new dimension. Every week: knitting lessons given by senior residents, a Spanish class offered by a Grade 11 student, robotics demonstrations, walking club, dance show. The exchanges are rich, spontaneous and deeply human. On both sides of the generational gap, individuals feel enriched by this contact.

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Artificial Intelligence Program

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Robotics Program

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Unique Intergenerational Program

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Students live Marcelline values by actively engaging with the homeless or with isolated seniors. These civic-minded individuals also volunteer for any social cause close to their hearts.