Keystone Montessori School
Daycare center in North Chelmsford, MA. 55 Middlesex St, North Chelmsford, MA 01863
About the program
Keystone Montessori School is a licensed daycare center in North Chelmsford, Massachusetts, on the state register since 1998. It is licensed for 114 children and serves infant, toddler and preschool ages.
Keystone Montessori School is an independent school in North Chelmsford, Massachusetts, serving children from three months through twelve years old.
The program follows a Montessori approach.
It does not accept child care subsidy.
Tuition and capacity
Tuition: not listed. Keystone Montessori School does not publish a fee schedule on its website. Programs in the area that publish full-time tuition have a median starting price of $1,500 a month.
Licensing and safety
Open the state record →Massachusetts publishes inspection reports on its own site. Open the state record to read this program's inspection history in full.
Getting there
55 Middlesex St, North Chelmsford, MA 01863
Questions about Keystone Montessori School
Is Keystone Montessori School licensed?
Yes. Keystone Montessori School holds an active Center-based Care licence from Massachusetts Department of Early Education and Care (licence P-170675), with a licensed capacity of 114 children. The state record was synced in September 2026.
What ages does Keystone Montessori School take?
Keystone Montessori School is licensed to serve infant, toddler and preschool ages.
How much does Keystone Montessori School cost?
Keystone Montessori School does not publish tuition on its website. Ask for the full fee schedule on a tour, including registration, supply and late pick-up fees.