ABC Montessori

Quality education is undoubtedly one of the strongest pillars that contribute to an individual’s growth & success.

Welcome to ABC Montessori private school

Academic excellence since 1995


ABC Montessori, Located in Mississauga, ON has been a leader in early childhood education and K-5 enhanced elementary education since 1995. ABC Montessori is a private academic school, not a childcare centre. Our foremost priorities are to provide students with a friendly, nurturing, safe, and supportive school environment where teachers are caring, encouraging, and dedicated to the overall success of every student. 

We offer a unique Montessori and traditional learning approach for toddler and preschool children and a challenging, forward-thinking enhanced elementary curriculum. In addition to our core academic curriculum, students explore the French language, Art, Music, and Dance.

Matheson CASA Campus

Toddler and CASA
(18 months - 5 years)

285 Matheson Blvd. East  Mississauga


Science, Technology, Engineering and Mathematics have never been more important. ABC Montessori’s approach to education fosters creativity, and critical and divergent thinking alongside fundamental disciplines of reading, writing, and mathematics. ABC Montessori’s programs instill  teamwork and leadership qualities in our students. 

Matheson Elementary Campus

SK - Grade 5

305 Matheson Blvd. East  Mississauga


Registration is open for the September 2024 school year.

What current and former families have to say about ABC Montessori


“The boys have been going to their new school for two weeks now and we got a chance to speak with their teachers this past Friday. I want to let you and your staff know that you guys did an excellent job preparing and educating them since they were 18 months. They were able to jump right into the new school’s curriculum with no issues at all. Their new teachers were all very impressed with where they are academically. They tell us that typically with new students they usually have to spend significant time to bring them up to level to keep up, but with our two boys, they didn’t have to at all. They knew all the September review contents already and have good learning habits. This is the result of all the hard work you and your staff put in all these years.Thank you again and please keep doing what you guys are doing!”

– Jennifer and Adrian -Parents


“At ABC Montessori, the principles of integrity, co-operation, responsibility, and respect are modeled by teachers, emulated by students, and practiced by all. While other schools are exclusive, not recognizing the cultural and religious celebrations of its student body, ABC Montessori is inclusive in acknowledging its cultural and religious diversity. Our daughter has learned tolerance, respect, and understanding”

– Mary Jo S. – Parent

“Seven years ago we decided to enroll our young daughter at ABC Montessori School, and as we look back, it is absolutely one of the best decisions we have ever made.”

– Vincent and Alice L

Our Programs

Elementary K-5
An Enhanced and Challenging Curriculum
CASA Program
2 1/2 - 5 Years of Age
Toddler Program
18 months - 2 1/2 Years of Age
Before & After School
Our Extended Hours Program
ABC Montessori’s Toddler and CASA campus is enrolled in the Canada-Wide Early Learning and Child Care (CWELCC) program to lower the cost of Early Childhood Education for Ontario families.

Committed to academic excellence, personal growth and the most fulfilling educational experience.

- ABC Montessori, Founded in 1995

For over 29 years ABC Montessori in Mississauga has been an inclusive environment where diversity and individual differences are embraced and appreciated.

A place where diversity is celebrated and mutual respect and understanding contribute toward a cohesive school community

Call us or send a message below to book a school visit. We would love to meet you.