Maria Montessori – Folk High School

Maria Montessori: A Pioneer of the Child's Inner Power

Estimated read time: 15 minutes

Maria Montessori (1870–1952) was an Italian physician, educator, and visionary whose ideas about how children learn transformed education across the world. She was a scientist who turned the classroom into a laboratory, a feminist who fought for her own right to education before she fought for anyone else’s, and, in her later years, a philosopher of peace who argued that how we teach children is inseparable from the kind of world we build. Her method, developed in the slums of Rome, now guides over 15,000 schools across every continent.

Maria Montessori was born on August 31, 1870, in Chiaravalle, a small town in the Ancona province of Italy. The country she was born into was in the midst of painful transformation. Unification had come only a decade earlier, and the new Italian state was struggling to hold together a society fractured by class, region, and poverty. Rapid industrialisation was drawing rural families into the cities, where they crowded into tenements and worked long hours in factories and workshops. The children of the poor grew up largely unseen by the institutions that might have helped them – and largely unvalued by a society that had not yet decided they were worth educating properly.

“The child is both a hope and a promise for mankind.”

– Maria Montessori

Into this world, Maria Montessori’s family represented a particular kind of aspiration. Her father, Alessandro, was a conservative government official with conventional expectations of his daughter. Her mother, Renilde Stoppani, was well-educated and fiercely supportive of Maria’s ambitions – a rare advantage for a girl in 19th-century Italy. When the family moved to Rome, Maria attended a technical school with a science and engineering focus, an unusual choice for a girl and a deliberate one. When she announced her wish to become a doctor, her father objected strenuously. She was undeterred. In 1896 she became one of the first women in Italy to receive a Doctor of Medicine degree from the University of Rome. The same year, she represented Italy at the International Women’s Congress in Berlin, speaking on equal pay for working women. The professional and the political were, from the beginning, inseparable for Montessori.

During the peak years of Italian emigration (c. 1880–1915), more than 14 million Italians left the country, driven by widespread poverty that affected large parts of the population—especially in southern Italy, where emigration became a necessary strategy for survival.

A Private Sacrifice

Behind the public achievements lay a deeply personal story. In 1898, Montessori gave birth to a son, Mario, conceived with her colleague Giuseppe Montesano. Unmarried, and unwilling to abandon her career as convention would have demanded, she placed Mario with a foster family in the countryside. He would not return to live with her until he was a teenager – years during which Montessori built her international reputation while her son grew up in another household, visiting occasionally, not knowing at first who she really was to him.

The irony has not been lost on scholars: the woman who argued that children need nurturing, secure environments was herself separated for years from her own child. Whether this shaped her pedagogy directly is impossible to say. What is clear is that when Mario did return, the distance collapsed entirely. He became her closest collaborator – accompanying her on her travels, running her training courses, and eventually inheriting her life’s work. Together they founded the Association Montessori Internationale in 1929. The rupture, once healed, became the foundation of everything that followed.

“The greatest sign of success for a teacher is to be able to say: the children are now working as if I did not exist.”

– Maria Montessori

From Clinic to Classroom: An Accidental Revolution

The Italy of Montessori’s early career was not only a country in transformation – it was a country with a visible underclass, concentrated in the overcrowded working-class districts of its rapidly growing cities. In Rome, neighbourhoods like San Lorenzo had been built quickly and cheaply to house the waves of migrants arriving from the countryside. The buildings were dense, the streets noisy, and the families poor. Parents worked from early morning to late evening; their young children were left largely unsupervised, with nowhere to go and nothing particular to do.

Montessori had already encountered the children of poverty through her early work at the Orthophrenic School, a progressive institution for children with learning difficulties. There she became convinced that what appeared to be cognitive limitation was often the result of inadequate environment and stimulation. The problems these children faced, she concluded, were “more educational than medical.” To insist on this – that poverty was not destiny, that disability was not incapacity – was already to challenge assumptions embedded in every corner of European education.

The turning point came in January 1907, when she was invited to set up a classroom for the young children of San Lorenzo. She furnished the room with child-sized furniture, placed carefully designed materials within the children’s reach, and – crucially – stepped back. What she observed astonished her: children described as unruly and unmanageable became absorbed in their work, concentrating for long, uninterrupted stretches and developing a self-discipline that no authority had imposed.

“Children, like butterflies mounted on pins, are fastened each to his place,” she wrote of the conventional classrooms of her time. The Casa dei Bambini – the Children’s House – was the opposite: a place where movement, choice, and genuine engagement were not disruptions to learning but its very foundation. The children had not changed. The environment had.

“Education is a natural process carried out by the child and is not acquired by listening to words but by experiences in the environment.”

– Maria Montessori

Sketch of the Constitutional National Assembly 1848. Painting by Constantin Hansen.

The Child Is Not a Vessel

The educational approach that emerged from Montessori’s observations rests on three core convictions. First: the child is not an empty vessel to be filled, but an active constructor of their own understanding. Second: children pass through distinct sensitive periods – windows of developmental readiness during which certain kinds of learning become available almost effortlessly. Third: the teacher’s role is not to instruct but to prepare an environment, observe carefully, and intervene as little as possible.

Montessori called this scientific pedagogy. It did not begin as a philosophy; it emerged from watching children reveal themselves when the conditions were right. The method was not invented at a desk. It was discovered in a room in San Lorenzo, by a woman who was willing to be surprised by what she saw.

Before the Casa dei Bambini: Ellen Key and the Ideas That Shaped Montessori

Swedish writer and educator Ellen Key (1849–1926) is widely considered a significant influence on Montessori’s thinking. Her landmark work Barnets århundrade (The Century of the Child, 1900) argued for a child-centred approach to education, rejecting the authoritarian classroom in favour of learning rooted in the child’s own nature and needs. The book swept through European intellectual circles and was translated into dozens of languages.

The echoes in Montessori’s work are unmistakable: Montessori herself wrote that the twentieth century would prove to be “the century of the child” – a direct resonance with Key’s defining phrase. The two women approached the child from different angles – Key as a philosopher and social visionary, Montessori as a physician and empirical observer – but shared a foundational conviction that the child is not a passive object of adult authority but an active, self-directing human being. Key provided the vision; Montessori built the room.

1870

Born in Chiaravalle, Ancona province, Italy.

1896

Becomes one of the first women in Italy to receive a Doctor of Medicine degree. Represents Italy at the International Women’s Congress in Berlin.

1898

Gives birth to her son Mario, who is placed with a foster family until his teens.

1900

Takes up co-directorship of the Orthophrenic School in Rome.

1907

Opens the first Casa dei Bambini in San Lorenzo, Rome, on January 6.

1909

Publishes The Montessori Method, subsequently translated into more than twenty languages.

1914

Kilpatrick publishes The Montessori System Examined, effectively halting the spread of the method in the United States for nearly fifty years.

1929

Founds the Association Montessori Internationale (AMI) together with Mario.

1934–36

Mussolini closes Montessori schools in Italy; the Nazi regime closes them in Germany. Montessori eventually settles in the Netherlands.

1939–46

Stranded in India by the outbreak of war. Trains over a thousand teachers, develops Cosmic Education, and deepens her philosophy of peace.

1947

Addresses UNESCO on the theme of Education and Peace.

1949–51

Nominated for the Nobel Peace Prize in three consecutive years.

1952

Dies on May 6 in the Netherlands, at the age of 81.

1960

The American Montessori Society is founded, marking the method’s return to the United States.

In Conversation With her Time

Montessori was part of a broader international movement of educational reform – and her differences with that movement are as illuminating as her agreements. Friedrich Froebel (1782–1852), who invented the kindergarten, shared her respect for the child’s inner life but emphasised symbolic and imaginative play where Montessori favoured structured materials and purposeful work. John Dewey (1859–1952) agreed that learning must be rooted in experience but placed social interaction and collaborative inquiry at the centre, while Montessori emphasised individual self-construction within a prepared environment. The disagreement reflected a deeper question – whether the child’s development is primarily individual or social – that remains unresolved in educational theory today.

The disagreement became consequential in 1914, when Dewey’s follower William Heard Kilpatrick published The Montessori System Examined, arguing that the method left no room for imagination or cooperative play. Kilpatrick’s critique was influential enough to effectively halt Montessori’s momentum in the United States for nearly fifty years. When the method did return in the 1960s – carried by a new generation of parents and educators frustrated with conventional schooling – it came back not as a correction of Kilpatrick’s critique but as a rejection of the assumptions behind it. The fate of educational ideas depends as much on politics as on pedagogy.

The Sensitive Periods and the Materials: How the Method Works in Practice

Montessori’s method rests on two interlocking ideas: that children pass through distinct sensitive periods of heightened receptivity, and that carefully designed materials allow them to act on that receptivity independently.

The five main sensitive periods in early childhood are: language (birth to age 6), when children absorb spoken and written language almost effortlessly; order (ages 1–3), when consistency and predictability are essential to the child’s sense of the world; refinement of the senses (ages 2–6), when children are intensely focused on sensory distinctions; movement and physical coordination (ages 1–4), when fine and gross motor development is central; and social behaviour (ages 2.5–6), when the foundations of social intelligence are laid.

The materials Montessori designed to support these periods share three principles: each isolates a single quality (weight, length, colour, sound); each moves from the concrete to the abstract; and each is self-correcting – the child can see for themselves when something is wrong, without needing adult intervention. Among the most iconic: the Pink Tower (ten graduated cubes that prepare the groundwork for understanding volume and the decimal system), Sandpaper Letters (which connect tactile sensation, muscle memory, and phonics simultaneously), and the Golden Beads (which make place value something felt before it is symbolised).

Together, the sensitive periods and the materials express the method’s central conviction: that the teacher’s role is not to instruct but to prepare an environment in which the child’s own drive to learn can do its work.

India, Gandhi, and Cosmic Education

When Montessori travelled to India in 1939 for what was to be a three-month lecture tour, the outbreak of the Second World War stranded her there for seven years. The enforced pause proved transformative. Working with Indian educators and training over a thousand teachers, she developed Cosmic Education: a framework for children aged roughly six to twelve that presented history, biology, and geography not as separate subjects but as chapters in a single story – the story of how the universe came to be, how life emerged, and how human culture developed in response.

India also deepened her thinking about peace. Working in a country engaged in a struggle for independence, in conversation with a tradition represented most powerfully by Gandhi, her conviction that education was about how human beings learn to live together – not merely how they learn to read and write – hardened into something close to a philosophy of civilisation. “Preventing wars is the work of politicians,” she said. “Establishing peace is the work of education.”

The Grundtvig Lexicon

This lexicon explains key concepts and ideas from N.F.S. Grundtvig’s philosophy, focusing on education, community and lifelong learning.

Active Citizenship
A fundamental goal in Grundtvigian thought, emphasizing individuals’ active participation in democratic and societal life through education that fosters responsibility and engagement.

Assembly (Forsamling)
The gathering of people for open dialogue and shared learning, reflecting Grundtvig's belief in the folk high school as a space for communal and democratic education.

Bildung
A term closely tied to Grundtvig’s vision, often translated as "formation" or "cultural education," focusing on the holistic development of individuals in terms of personal, moral and social growth.

Bible as Poetry
Grundtvig viewed the Bible not only as a religious text but also as a source of poetic and existential wisdom, meant to inspire creativity and a deeper understanding of life.

Civic Education
Education aimed at cultivating democratic values, societal engagement, and the capacity to think critically and act responsibly in community life.

Christian Enlightenment
Grundtvig’s idea of integrating Christian spirituality with secular enlightenment, emphasizing human dignity, moral development and intellectual freedom.

Democracy
A cornerstone of Grundtvig’s educational philosophy, where democracy is understood as a lived practice, cultivated through participation, dialogue and mutual respect.

Dialogue
A central method of learning in Grundtvigian pedagogy, where open conversation fosters understanding, shared growth and the building of community.

Egalitarianism
The belief in the equal value and potential of all individuals, a principle embedded in Grundtvig’s vision for education and society.

Enlightenment of Life (Livsoplysning)
A core concept in Grundtvig’s philosophy, referring to an education that enriches and deepens life by connecting individuals to culture, history and shared human experience.

Folk High School (Folkehøjskole)
Grundtvig’s revolutionary educational institution, designed for adults to explore personal growth, cultural identity and democratic engagement without formal exams or rigid curricula.

Freedom
A vital concept for Grundtvig, encompassing both spiritual freedom and the freedom to think, express and live authentically in society.

Grundtvigianism
The cultural and educational movement inspired by Grundtvig’s ideas, emphasizing lifelong learning, community, and the interplay of faith, culture and democracy.

Historical Poetry
Grundtvig advocated teaching history as a living and inspiring narrative, blending factual knowledge with poetic imagination to connect learners with their cultural heritage.

Human Dignity
A foundational value in Grundtvig’s philosophy, affirming the inherent worth of every individual and the right to education that supports personal and societal growth.

Living Word
Grundtvig emphasized oral storytelling and dialogue, viewing the spoken word as vital for education, connection and personal enlightenment.

Lifelong Learning (Livslang Læring)
A core principle in Grundtvig’s educational philosophy, advocating for continuous personal development and learning throughout life, beyond formal schooling.

People's Church (Folkekirken)
Grundtvig’s vision of a church that is open, inclusive, and deeply connected to the lives and culture of the people it serves.

Singing Together
Group singing was central to Grundtvigian practice, fostering unity, joy and a sense of community through shared cultural expression.

Spirit of Freedom
An ideal guiding Grundtvig’s work, representing the human yearning for autonomy, creativity and self-realization within a supportive community.

Värdegrund (Values)
Though primarily a Swedish term, it reflects the influence of Grundtvigian ideals in Scandinavian education, focusing on shared values, community and democratic principles.

Progress and Its Shadow

Montessori’s thought was shaped by the progressive intellectual climate of the early twentieth century – and that climate had a shadow side. Like many reformers of her era, she used the language of “racial improvement” and “degeneration” in some of her writings, and her vision of transforming humanity through better education sometimes shaded into recognisably eugenic ideas.

It would be tempting to treat this as an unfortunate aberration. But the eugenic thinking was not incidental to the progressivism – it was, in many cases, an expression of it. The same faith in science, the same conviction that human beings could be improved through the right conditions, the same impatience with needless suffering: these impulses ran through both the Montessori classroom and the eugenics movement. Holding this in view is part of taking her seriously as a thinker.

Sketch of the Constitutional National Assembly 1848. Painting by Constantin Hansen.

What Does the Research Say?

For much of the twentieth century, Montessori’s method rested on observation and reputation rather than systematic research. That has changed. A landmark 2006 study by Angeline Lillard and Nicole Else-Quest, published in Science, compared children attending a public Montessori school in Milwaukee with a matched control group. Children in the Montessori group showed stronger outcomes in literacy, numeracy, executive function, and social skills – and greater enjoyment of learning. A follow-up longitudinal study in 2017 broadly confirmed these findings, with benefits particularly pronounced for children from lower-income families.

The caveats matter: many studies are limited by small sample sizes, self-selection effects, and variation in how faithfully schools implement the approach. The current consensus is that Montessori shows genuine promise – especially for self-regulation, intrinsic motivation, and executive function – but the evidence base is still developing. The method is ahead of the research, not behind it.

Legacy: More Than a Method

In her final decades, Montessori travelled the world advocating for her method and, with increasing urgency, for peace – receiving three consecutive Nobel Peace Prize nominations in the last years of her life. The two were not separable in her mind: a child who had learned to govern themselves, to concentrate, to respect the space they shared with others, was better prepared not just for school but for democratic life.

Today the Montessori Method is one of the most widely practised educational approaches in the world. Its core insight – that children are not passive recipients of adult knowledge but active builders of their own understanding – has influenced virtually every progressive educational movement of the past century, including the Nordic folk high school tradition. Both traditions insist that genuine learning cannot be imposed from outside; it must arise from the learner’s own engagement with questions that matter to them. Both are suspicious of grades and purely instrumental definitions of education. Both believe that the environment – physical, social, and emotional – is not a backdrop to learning but its active ingredient.

Montessori built her classrooms for young children. But the question she was asking – what conditions does a human being need in order to learn freely and well? – does not stop being relevant when a child turns eighteen.

Questions to Reflect On

The Casa dei Bambini

Montessori stepped back and observed before she intervened. The children had not changed. The environment had.

What does it reveal about educational innovation that one of the most influential experiments in the history of teaching began in a slum, not a university?
How often do educators – or leaders of any kind – observe before they act? What gets in the way?

Freedom and Structure

Central to Montessori’s approach is the idea that freedom and structure are not opposites but conditions for each other.

What is the difference between freedom and chaos in Montessori’s thinking? Is this distinction convincing?
How might this tension apply in adult educational settings – such as folk high schools – or in democratic organisations more broadly?

Progress and Its Shadow

Montessori’s eugenic thinking flowed from the same progressive faith in science and human improvement that shaped her pedagogy.

How should we respond when the shadow side of a thinker’s work is not incidental to their ideas, but connected to them?
Are there assumptions in contemporary progressive education – or in the folk high school tradition – that future generations might judge as harshly?

Peace and Education

Montessori argued that education for peace was not a separate subject but the point of all education.

What does it mean to educate for peace? Is it possible to teach peace, or only to create conditions in which it can emerge?
How do Montessori’s ideas about self-governance and Cosmic Education connect to democratic values – and what would it mean to take them seriously in practice?