Keystone Montessori School

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Welcome to Keystone Montessori School!

Keystone Montessori School educates children age 2 years 9 months through grade 3. We are conveniently located near routes 3 and 495, in North Chelmsford. We are a diverse community, with students from the towns of Chelmsford, Westford, Lowell, Littleton, Burlington, Nashua, Dracut, and other nearby towns.

Founded in 1998, the school is located in the beautifully renovated mill building which housed the Bainbridge Restaurant. Our spacious classrooms create a peaceful and relaxed learning environment where children love to explore and learn, guided by experienced and certified Montessori teachers. Whether children are developing their focus and fine motor skills, mastering letter sounds, or adding four-digit numbers, they enjoy learning through hands-on experience with superb materials. Our teachers guide each child through the curriculum in a series of success-oriented steps.
All of our Head Teachers are Montessori certified, and have been teaching for years. Because Keystone is a great place to teach, our staff retention is outstanding.
Keystone offers half day and full day programs for children age 2 years 9 months through kindergarten. Our elementary program goes through grade three. All of our programs are five days a week. Call and schedule an appointment to visit Keystone. It’s the greatest gift you can give to your child.

Select Openings Available
Keystone still has a few openings left in our half day and full day Childrens House Program (ages 2.9 years through age 6). We offer financial assistance, year round care, art, music and Spanish for every child! Call for information and a tour (978)251-2929.

Children’s House Parent Ed
Sunday Nov 7 We invite parents to join their child's teacher/classroom from 10-12 for a Montessori experience! This is a parent only session, so please find care for your children. Please try to have one parent attend. If you have any questions please email erin@keystoneschool.com