On this page, we cover private Montessori high schools. This includes schools in Toronto, Ottawa, Mississauga, Pickering, and Scarborough, Ontario, and across Canada.
For a more complete guide to Montessori education, including a thorough discussion of the Montessori method and philosophy, check out our introductory guide.
Montessori high schools include students aged 14 to 18, the equivalent of grades 9 to 12 in most schools. In Montessori high schools, students do lots of independent and group work. They also begin note-taking, assignments, and tests, to prepare for university. Below, we list Montessori high schools. These schools can be filtered for several different features.
These are the leading schools that Our Kids editors have covered most extensively so far, providing detailed insights and thorough analysis of their programs, student life, and more.
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Meet them at the Expo: Oct 04
"Our Beyond the Books approach provides opportunities for students’ academic & personal growth, nurturing students' confidence & self-esteem and willingness to take risks through the classroom & organized activities.
—From the school
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Meet them at the Expo: Oct 19
"Established in 1901, Hillfield Strathallan College is one of Canada’s leading co-educational independent schools, offering academic programs from Montessori Toddler and Pre-K to Grade 12, in Hamilton, Ontario, Canada.
—From the school
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Victoria, British Columbia "We identify experiences that enhance learning, empowering individuals while fostering a community of collaborative contributors. This is achieved through interdisciplinary projects that are seamlessly integrated." —From the school
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Richmond Hill, Ontario Bayview/Hwy 407 "Lauremont School is a leading, accredited independent school that offers a unique design of Montessori and International Baccalaureate programmes. Our students thrive in academics while building a foundation for life." —From the school
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Richmond Hill, Ontario Yonge Street/Silverwood Ave. "Century Private School is located in Richmond Hill, and our campus occupies 12 acres of land. Our programs runs from preschool to grade twelve, with small class ratio to ensure best learning for our students." —From the school
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Vaughan, Ontario Major Mackenzie/400 "Balanced Academics, Arts, Athletics & Student Wellness. We value best practices & evidence-based approaches. University preparatory & 21st Century Tech-Rich & Future Proof school. Enriched and rigorous curriculum." —From the school
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Meet them at the Expo
Ottawa, Ontario Alta Vista Drive/Industrial Road "OMS Montessori is a non for profit, independent school offering separate French and English programs within a world class Montessori environment." —From the school
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Toronto, Ontario University Ave./Dundas street "Cornerstone students love to shape the future. They INSPIRE learning, DISCOVER their potential, EMPOWER themselves to be innovative citizens. Our boundless learning strategies open doors for successful learning." —From the school
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Markham, Ontario 14th Ave/Kennedy "Trillium School is a private school that offers programs from pre-school to grade twelve in Markham with Montessori-based kindergarten." —From the school
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Mississauga, Ontario Dundas St W./Mississauga Rd. "The Erindale Academy is a private middle and high school located next to the University of Toronto Mississauga. We combine holistic education with critical innovation to make every student a success story." —From the school
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Meet them at the Expo
Kanata, Ontario Eagleson Road/Stonehaven Drive "For 50 years, Kanata Montessori has offered excellent learning environments for students to grow emotionally, socially and academically into a positive global citizen." —From the school
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Meet them at the Expo
Ottawa, Ontario Bank Street/Marché Way "Our programs find the interaction of youth’s developmental characteristics, the Ontario curriculum, and the requirements of the adult world to create the focussed engagement that naturally leads to personal excellence." —From the school
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Toronto, Ontario Finch Avenue/Islington Avenue "Nile Academy offers small class sizes and a low student-to-teacher ratio, while also following the Ontario Curriculum, ensuring our students are well prepared for the rest of their educational pursuits here in Canada." —From the school
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Nepean, Ontario "R.I.S.E. Academy empowers youth with personalized, experiential learning rooted in equity and the UN SDGs.We focus on inquiry-based, culturally relevant education that fosters creativity, leadership, and community impact" —From the school
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Unionville, Ontario Kennedy Road/16th Avenue "UC offers year-ahead advanced programs from pre-school to Grade 10. We blend high standards for academic success with the social and emotional development of the individual child." —From the school
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Some schools aren't Montessori schools, but use a Montessori approach for their preschool or daycare program. This approach gives young learners plenty of freedom to choose tasks and activities that interest them, which promotes their independence and confidence. It also strongly emphasizes concrete learning, where children work with lots of hands-on materials, and do practical life activities. Children usually work independently or in small groups in these programs.
These are the leading schools that Our Kids editors have covered most extensively so far, providing detailed insights and thorough analysis of their programs, student life, and more.
"St. George's School in Vancouver offers university-preparatory program to Canadian and International boarding students from Grade 8 to 12. The School's mission: Building Fine Young Men. One Boy at a Time.
—From the school
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Oshawa, Ontario Wilson Road/Adelaide Ave "At G.B.MS, D.E.P.S and Durham Academy Secondary school focus is on each individual student and helping them meet their unique potential and goals. We believe in excellent customer service and families have a voice. Throughout the year we enhance our programs through program enhancement and enrichment." —From the school
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Toronto, Ontario York Mills Road/Don Mills Road "Ace Acumen Heights is accredited by the Ontario Ministry of Education, located in Ontario, Canada, with ten years of experience in providing quality education and modern teaching facilities." —From the school
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Meet them at the Expo
Markham, Ontario Kennedy Road/Steeles Avenue "Located in Markham, Ontario, Town Centre Private Schools is an IB Continuum World School offering a Montessori Pre-School program, IB Elementary School, High School and optional IB Diploma Programme." —From the school
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For general advice on how to choose private schools, check out our choosing a school guide and read advice from leading education experts. For advice specific to choosing Montessori schools (including high schools), see our Montessori choosing guide. You can also read our guides to questions to ask private schools and questions students get asked at school interviews.
Private school expos are a great way to find a school, Montessori or otherwise. We have annual private school expos in Toronto, Montreal, Vancouver, Ottawa, Calgary, and Halton-peel. These expos allow you to speak with tonnes of private schools in Canada. Many of these are Montessori schools (some of which are high schools). Find a Montessori high school near you.
Another important tool in your school search is the Our Kids parent discussion forum. The forum is a great place to discuss options and debate topics related to Montessori education and private schools. Take advantage of our community of parents, education experts, and school officials. They can help answer your most pressing questions.
Open houses are another effective way to learn about private schools. For general advice on open house visits, check out our guide on school visits.
| School name | Date | Location |
|---|---|---|
Hillfield Strathallan College | October 02, 2025 5:30 pm | Hillfield Strathallan College 299 Fennell Avenue West Hamilton ON L9C 1G3 |
Hillfield Strathallan College | November 13, 2025 5:30 pm | Hillfield Strathallan College 299 Fennell Avenue West Hamilton ON L9C 1G3 |
Hillfield Strathallan College | March 04, 2026 5:30 pm | Hillfield Strathallan College 299 Fennell Avenue West Hamilton ON L9C 1G3 |
Hillfield Strathallan College | April 01, 2026 5:30 pm | Hillfield Strathallan College 299 Fennell Avenue West Hamilton ON L9C 1G3 |
Hillfield Strathallan College | May 07, 2026 5:30 pm | Hillfield Strathallan College 299 Fennell Avenue West Hamilton ON L9C 1G3 |
The cost of Montessori high schools tends to be lower than the cost of other private high schools. In fact, Montessori schools are usually on the lower side of private school tuition in general. Private school tuition can range from $5,000 to over $30,000 per year for day students.
Some Montessori high schools offer needs-based financial aid, such as bursaries or tuition relief. Some offer scholarships (a form of merit-based financial aid). Check out our financial aid guide for more on these options.
Below, you’ll find the range of costs for Montessori high schools:
| Tuition (day school) | Students receiving financial aid | Grade eligibility for financial aid | Avg. aid package size (annual) | |
|---|---|---|---|---|
Hillfield Strathallan College | $19,349 to $32,052 | 10% | JK - 12 | $4,500 |
St. George's School | $33,300 to $34,300 | 8% | 4 - 12 | $17,500 |
Westmont Montessori School | $10,600 to $32,000 | 1% | Preschool - 12 | $5,000 |
Lauremont School | $31,800 to $37,790 | Preschool - 12 | ||
Delano Academy & Delano High | $17,600 to $23,600 | 4% | 1 - 12 | |
OMS Montessori | $14,664 to $21,384 | 10% | Nursery/Toddler - 6 | $2,500 |
The Element High School | $18,810 to $21,905 |
Primary curriculum | Secondary curriculum | Curriculum pace | Academic culture | Average class size | Language immersion | Special needs support | Tech integration |
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|---|---|---|---|---|---|---|---|---|
Bond Academy | Traditional | Montessori | Standard-enriched | Rigorous | 15 to 18 | Full-time Dedicated Class | Medium integration | |
Hillfield Strathallan College | Traditional | Montessori | Standard-enriched | Rigorous | 16 to 20 | No support | Heavy integration | |
St. George's School | Traditional | Standard-enriched | Rigorous | 18 to 22 | No support | |||
Westmont Montessori School | Montessori | Student-paced | Supportive | Withdrawal Assistance | Medium integration | |||
Lauremont School | Montessori | International Baccalaureate | Student-paced | Rigorous | No support | |||
Century Private School | Traditional | Montessori | Standard-enriched | Rigorous | 10 to 18 | No support | Light integration | |
Durham Elementary, Durham Academy and G.B.M.S. | Progressive | Standard-enriched | Rigorous | 8 to 16 | Indirect Support | Medium integration | ||
Delano Academy & Delano High | Liberal Arts | Montessori | Accelerated | Rigorous | 10 to 18 | No support | Heavy integration | |
OMS Montessori | Montessori | Student-paced | Supportive | 16 to 25 | Withdrawal Assistance | Light integration | ||
Cornerstone Montessori Prep School | Liberal Arts | Montessori | Accelerated | Rigorous | 10 to 12 | No support | ||
Trillium School | Traditional | Montessori | Accelerated | Rigorous | No support | Medium integration | ||
Erindale Academy | Progressive | Montessori | Student-paced | Rigorous | No support | Medium integration | ||
Kanata Montessori | Montessori | Standard-enriched | Rigorous | 12 to 23 | Resource Assistance | Heavy integration | ||
The Element High School | Progressive | Montessori | Student-paced | Supportive | Indirect Support | Heavy integration | ||
Nile Academy | Progressive | Montessori | Standard-enriched | Rigorous | 12 to 16 | No support | Medium integration | |
R.I.S.E. Academy | Reggio Emilia | Montessori | Student-paced | Supportive | 1 | Special needs school | ||
Ace Acumen Heights | Progressive | Standard-enriched | 18 to 20 | Indirect Support | ||||
Town Centre Private Schools | Traditional | International Baccalaureate | Standard-enriched | Supportive | 15 to 22 | No support | ||
Unionville College | Traditional | Montessori | Accelerated | Rigorous | 18 to 24 | Partial Integration | Heavy integration |
Legend:
Bond Academy | ||||||||||||||||||||
Hillfield Strathallan College | ||||||||||||||||||||
St. George's School | ||||||||||||||||||||
Westmont Montessori School | ||||||||||||||||||||
Lauremont School | ||||||||||||||||||||
Century Private School | ||||||||||||||||||||
Durham Elementary, Durham Academy and G.B.M.S. | ||||||||||||||||||||
Delano Academy & Delano High | ||||||||||||||||||||
OMS Montessori | ||||||||||||||||||||
Cornerstone Montessori Prep School | ||||||||||||||||||||
Trillium School | ||||||||||||||||||||
Erindale Academy | ||||||||||||||||||||
Kanata Montessori | ||||||||||||||||||||
The Element High School | ||||||||||||||||||||
Nile Academy | ||||||||||||||||||||
R.I.S.E. Academy | ||||||||||||||||||||
Ace Acumen Heights | ||||||||||||||||||||
Town Centre Private Schools | ||||||||||||||||||||
Unionville College |
Montessori high schools have lots of self-directed learning, group projects, and challenging work. Overall, their approach to education is progressive, and constrasts with more mainstream schools.
For further discussion of Montessori high school (not to mention preschool, middle school, and elementary school), see our main Montessori school guide.
In some Montessori high schools, students have long uninterrupted work periods, of two to three hours. During these periods, students can often work on their own chosen tasks.
On the other hand, Montessori students need to work through a challenging curriculum. They must master material in compulsory subjects such as math, science, history, and English. And, they’ll have the option of taking other subjects, such as geography, economics, and psychology.
Montessori high schools prepare students for university or college. Unlike preschool and elementary schools, they give students tests and assignments. They also grade many of these (though less than in mainstream schools).
Students are also given credits and grades for courses. Like mainstream high schools, for students to graduate with a diploma, their curriculum must meet the standards of the Ministry of Education.
For more details, see our guide to Montessori curriculum.
Child-specific advice on choosing a Montessori school
Read our child-specific insights on choosing the right school, including Montessori schools. We explore how choosing the right type of school crucially depends on kids' unique traits, such as their mental and academic focus, social tendencies, and activity level.
To customize over 350 school profiles with insights unique to your child's traits, create a child profile through an Our Kids user account.
Montessori high schools have an interesting teaching approach. Some lectures are given, though less than in mainstream high schools. Teachers must ensure students master the basics, especially in required subjects. Usually, though, the teacher doesn’t stand in the front of the classroom, and students don’t sit at desks.
Teachers use textbooks in some courses. Often, though, each student will have their own textbook, tailored to their special learning level. Rarely will there be one textbook for the entire class.
Students have the option to work alone or in groups to complete some projects, with some guidance from the teacher. Moreover, teachers give them quite a bit of freedom to choose their tasks and work at their own pace.
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