← Back to the blog · August 2, 2026

Montessori vs. traditional education: how are they really different?

When a family starts looking for a school, sooner or later the question appears: Montessori or traditional education? The short answer is that they are not two versions of the same model with different decoration: they start from different ideas about how children learn. In this article we compare both approaches point by point, without caricatures, so you can decide with real information.

1. Who drives the learning?

In the traditional classroom the path is set by the program: every child sees the same content, on the same day, at the same pace. In Montessori the engine is the child's interest within a prepared environment: the Guide presents the materials at the right moment and the child chooses their work among carefully designed options. It is not doing whatever they want; it is wanting what they do: the difference between following instructions and building genuine motivation.

2. The role of the adult: teacher who instructs vs. Guide who accompanies

The traditional teacher delivers content to a group; success is measured by how much of the program gets "covered". The Montessori Guide observes each child, records where they are and presents the next challenge when they are ready. That is why Montessori training puts as much emphasis on observation as on content: the goal is not to cover material, but for each child to truly advance.

3. Assessment: grades and tests vs. observation and follow-up

Traditional school assesses with tests and grades that compare children with each other. Montessori assesses through direct observation and work records: the Guide knows which materials each child has mastered, which ones they repeat and which they avoid, and adjusts the plan accordingly. Error also changes its status: Montessori materials have built-in control of error, so the child discovers and corrects without a red pen.

4. Same-age classrooms vs. mixed-age classrooms

Traditional school groups children by birth year. Montessori works with three-year mixed-age classrooms (3-6, 6-9, 9-12): younger children learn by observing older ones, and older children consolidate their learning by helping the younger ones. This coexistence mirrors how we learn in real life, where we are almost never surrounded only by people our own age.

5. What about the school curriculum? Montessori covers it too

A frequent myth is that choosing Montessori means giving up the official curriculum. It does not: language, mathematics, science and history are all present; the path to them is simply different, starting from concrete materials before abstraction. In Chile, students in Montessori projects validate their studies through the Mineduc free exams, covering the same content as any school. At Open Montessori, 100% of the students who have taken them have passed.

6. Three myths worth clearing up

• "Montessori has no structure": it has more structure than the traditional classroom, but placed in the environment and the materials rather than in the adult's voice. Every material has a precise purpose, order and progression.
• "It is only for preschool": the Montessori approach covers from birth to adolescence. At OM we accompany children from Nido (0 to 3 years) to Panello (12 to 14 years), equivalent to 1st year of secondary school in Chile.
• "Children fall behind": the evidence and our free exam results show the opposite: by learning meaningfully and at their own pace, content is consolidated instead of memorized and forgotten.

How we do it at OM

Open Montessori brings this approach to a 100% online format for families in Chile: live classes in groups of up to 11 students, specialized Guides who know each child by name and pace, physical Montessori materials shipped home so learning goes through the hands, and an individual work plan that covers the national curriculum. If you are comparing alternatives, we recommend reading why families choose us or booking a presentation.

Frequently asked questions

Does Montessori cover the same curriculum as a traditional school?

Yes. Language, mathematics, science and history are covered; what changes is the path, which starts from concrete materials and moves toward abstraction. In Chile, students validate their studies with the Mineduc free exams, which assess the national curriculum.

Can a Montessori child later move to a traditional school?

Yes, and they usually adapt well: they arrive with autonomous work habits, a solid content base and self-confidence. Annual validation through free exams also guarantees their school certification is always up to date.

Is Montessori for primary and secondary school or only preschool?

Montessori pedagogy covers every plane of development, from birth to adolescence. At Open Montessori, Workshop I (6 to 9), Workshop II (9 to 12) and Panello (12 to 14) cover the complete school stage up to the equivalent of 1st year of secondary school.