Meet the Founder

Nathasassi Techo (AMI)

Founder & Head of School

Khru Aer 2

“Chiang Mai Montessori International School is situated in the heart of the community in which the Founder, Khun Nathasassi, was born and raised.

Nathasassi loved working with children from an early age and always knew she wanted to be a kindergarten teacher. After graduating from university with a teaching major, she worked at various kindergartens around Chiang Mai, but none offered what she was looking for.

During a visit to Chiang Rai, she discovered Montessori education and was totally amazed by what she saw: children from diverse backgrounds working independently and with genuine enjoyment! The focus and concentration of the children and the calm, harmonious atmosphere in the classroom were completely different to anything she had seen before: this experience became what Montessori teachers refer to as ‘the epiphany moment!’.

Nathasassi studied Montessori Teacher Training at the respected AMI college in London, England, and worked in the UK capital until 2010, when building started on the school you see here today.”

CMMIS Mission, Motto & Spirit

Our Mission

Our mission is to provide a complete Montessori program which considers the emotional, intellectual, physical, and social development of the total child by addressing the uniqueness of each in a nurturing, emotionally secure and academically excellent environment.

Our Motto 

Independence to learn, freedom to grow, time to Explore!

Our Spirit 

The school logo encapsulates our ‘school spirit’; the sense of identity and community that we share at CMMIS.

The image is of two ‘Fibonacci elephants’ of different sizes and colors on top of a traditional Lanna-style lotus motif. The large elephant represents three things: the parent, the teacher and the city of Chiang Mai. The different coloured elephants represents our community of mixed backgrounds. The Fibonacci-styled elephants represent Montessori education, children’s growth, learning and development, as well as mathematical forms, sequences and patterns displayed in fun and stimulating ways

The red white and blue colors represent Thailand, and the position of the blue in the foreground represents the significance of paddy fields and agriculture in general to the local community and the people of northern Thailand. The Lanna lotus flower motif specifically represents the value we place on the culture of northern Thailand. In particular, we feel it is important to promote all forms of local culture and heritage – knowledge, skills, art and design – and showcase them for the benefit of our children’s learning. In order for children to have a fully rounded learning experience they need access to these things and be able to learn from the local community, no matter where their family are from

At CMMIS the children’s learning is not confined to the classrooms. Our entire school is a ‘learning environment’, and we are a ‘learning community’. Hence, our school motto serves to remind us that we are each on our own journey of learning, growth and exploration:


“Independence to learn, freedom to grow, time to explore!”


The CMMIS logo was created by our friend, Felix ‘FLX’ Braun, a British artist and designer.