Keystone Montessori School

Keystone Montessori School enrolls children from 3 months to 12 years old.

Extended care and summer programs are offered at Keystone Montessori School.

Keystone Montessori School

Private Pre-K, Elementary School | Grade Pre-K-6

55 Middlesex St, North Chelmsford, MA

North Chelmsford Neighborhood

4.7

4.2

School Details

Students
95

Head of School
Cary Williams

Student Teacher Ratio
3:1

Annual Tuition
$19,800

Niche Grade Details

Teachers

Student Teacher Ratio

3:1

Teachers

Full Time Teachers

Part Time Teachers

Teachers in First or Second Year

GreatSchools Rating Details

Student Diversity

Female

78.9%

Male

21.1%

Asian

50%

White

42.5%

Black

7.5%

This School’s Reviews

5.0 Works Here

7/6/2024

Keystone is the best place I've ever worked. They support their students, staff and parents equally and I feel like I'm part of a family. My coteachers are amazing and supportive and always open to answering questions. The administration is fantastic.

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5.0 parent

1/14/2025

Literally perfect in every way, in my opinion. The staff, the ENTIRE staff (not just teachers), are so incredibly supportive and genuinely care about my kid, even on his bad days. They definitely lead with love and take the time to get to know him as a person, even though he's only 5. He is importan...

1.0 other

11/16/2019

Negative! At the beginning promise too much only that you pad quicker the big money!

5.0 parent

3/13/2018

I have two children that have been here for 6 years. I see a major difference between how they learn and how their friends in public school learn, with my kids learning being the better of the two. Montessori is child-centered meaning it is focused on how the individual child learns and when their b...

4.0 parent

2/13/2018

We started this year and absolutely love it. The teachers and staff are excellent and so passionate about what they do. We are seeing so much growth and progress with our 4 year old in Children’s House and it seems to be happening so naturally. Every week I feel like we can say, this is what we hope...

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Agents Specializing Near This School

Trina Macchi

William Raveis R.E. & Home Services

(774) 737-7544

150 Total Sales

2 Near This School

$415K - $600K Price Range

Trina Macchi
Rachel Hillman Foy

Responds Quickly

Hillman Homes

(774) 806-8325

145 Total Sales

1 Near This School

$480,000 Price

Rachel Hillman Foy
Emma Weisman

Keller Williams Realty North Central

(351) 200-9681

58 Total Sales

1 Near This School

$530,000 Price

Emma Weisman
Kathy Cyrier

William Raveis R.E. & Home Services

(351) 208-2953

54 Total Sales

2 Near This School

$500K - $1.1M Price Range

Kathy Cyrier
Bela Kasas

Responds Quickly

Choice Realty RES

(339) 230-2478

87 Total Sales

1 Near This School

$675,000 Price

Bela Kasas
Gunilla Rubino

Coldwell Banker Realty

(351) 208-1129

50 Total Sales

12 Near This School

$355K - $1.3M Price Range

Gunilla Rubino

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Map

Explore this Neighborhood North Chelmsford

Explore North Chelmsford

List Price Range

$262K - $859K

Homes For Sale

Average Home Value

$559,847

Median Lot Size

14,810 Sq Ft

% Renters

29%

Average Household Income

$142,767

% of College Grads

43.9%

Median Age

Average House Size

1,625 Sq Ft

% Commercial Property

44.2%

Homes for Sale

$2,999,900
- 4 Beds
- 3.5 Baths
- 5,432 Sq Ft
1 Appian Way
SPECTACULAR. LUXURY LAKEFRONT on Long Sought -For Pond. One owner of this custom built, stately home. Approximately 250 ft lakefront and private dock. Located in desirable Westford neighborhood & close to all major roads. Every detail and design constructed with the utmost quality. Septacular waterv...

Lisa Simmons

William Raveis R.E. & Home Services

(351) 900-8694
$599,000
- 3 Beds
- 1.5 Baths
- 1,795 Sq Ft
96 Princeton St

Unit 2
Occupying the second and third floors of a fully reimagined two-family residence, this 3-bed, 1.5-bath home with its own private entrances, separate living spaces, and modern design. offers 1795 sq. ft. of bright, modern living. The open-concept main level features hardwood floors and a dream kitche...

Susan Tanner

Coldwell Banker Realty - Lexington

(351) 200-4749
$995,000
- Land
- 9.34 Acre Lot
123 Sherburne Ave
Buildable residential lot, flat featuring hardwood trees. Located near Merrimack River, Mascuppic Lake and North Chelmsford. Build your dream retreat on this 9.34 acre parcel.

Debi Hauer

eXp Realty

(351) 529-7906

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Homes for Rent

$2,900 per month
- 4 Beds
- 1 Bath
- 1,100 Sq Ft
62 W 3rd St

Unit 1

Lowell, MA
Welcome to this stunning, fully renovated single-level apartment located in the heart of Lowell. This spacious 4 bedroom unit features fresh paint and brand new flooring LVP, creating a modern and inviting atmosphere. The apartment includes a washer and dryer for your convenience and parking for two...

Kelly Espinola

Keller Williams Realty-Merrimack

(351) 200-4304
$3,500 per month
- 4 Beds
- 2.5 Baths
- 1,980 Sq Ft
7 Gorham St

Chelmsford, MA
Available NOW!! 3-bed, 2.5-bath townhouse in Chelmsford’s Pineview Condos • Nearly 2,000 sq ft across 3 levels • Modern kitchen with granite countertops, stainless steel appliances, and white maple cabinets • Hardwood floors & open-concept layout • Primary suite with walk-in closet • Finished baseme...

Scott Martin

Martin Property Management

(351) 200-4970
$3,250 per month
- 2 Beds
- 1 Bath
- 900 Sq Ft
265 Dunstable Rd

Unit C

Tyngsboro, MA
Welcome to this beautifully crafted new-construction single-family home. Designed with modern finishes and an open, airy layout, this home features a bright living space with vaulted ceilings, recessed lighting, and durable luxury vinyl plank flooring throughout. The kitchen offers white shaker cabi...

Michael Page

LAER Realty Partners

(351) 217-2966

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Public Schools shown may be Choice Schools

Community Christian High School

9th to 12th
Private

Lowell Catholic

Pre-K to 12th
Private

A-

Academy of Notre Dame - Upper School

Pre-K to 12th
Private

A-

Tyler Park

Varney Playground

Varney Playground & Freeman Lake Beach

Thomas Crowley Park

Chelmsford Dog Park

Friendship Park At Roberts Field

Southwell Field

Additional Neighborhoods in this Area

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A suburban and rural community just outside of downtown Chelmsford

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Massachusetts Middlesex County North Chelmsford 01863 North Chelmsford

Keystone Montessori School is a private school for students in grades Pre-K-6 located at 55 Middlesex St in North Chelmsford, MA. Annual tuition is $19,800. The school has a total enrollment of 95 and maintains a student-teacher ratio of 3:1. The average home value in this area is $559,847. Discover additional schools in the area, like Community Christian High School, Lowell Catholic, Academy of Notre Dame - Upper School, and more. Learn more about what North Chelmsford has to offer, and browse homes for sale and for rent near Keystone Montessori School.

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Trina Macchi