Keystone Montessori School

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55 Middlesex St
North Chelmsford, MA 01863
Founded in 1998, Keystone Montessori School continues to be a leader in child-centered, developmentally-based approach in education. We provide education for...

Reviews

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4.58 reviews
Val H.
12/15/2022

My son has attended Keystone for 2 years. It has been a wonderful experience. With the school's support our child has become curious and eager to learn. They focus on practical life and STEM and...

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Swetha K.
9/5/2025

We tried both the beginner and preschool programs at Keystone. While the initial visit was impressive, our experience -- especially in preschool -- revealed deeper concerns. As the school has...

K D.
8/25/2017

I know that people flock to this site when they have something negative to report, but I am here to emphasize nothing but the extremely positive experiences I've had sending two children to...

R W.
8/9/2017

We are very happy we chose Keystone Montessori School for our children's education. It gave them a wonderful start to their lives. The Children's House program kept my children active and engaged...

Nancy K.
6/17/2017

CH Program is very good - teachers are very supportive, caring, helpful, and work hard to help educate your child through social, emotional, and developmental skill areas. But, Lower EL program...

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