Keystone Montessori School
55 Middlesex St., North Chelmsford, MA 01863Open, per Google (checked Oct 2, 2026)
Keystone Montessori School is a Montessori private school in North Chelmsford, MA teaching grades PreK-6. It reported 22 students in the 2023-24 federal survey.
School facts
- Grades
- PreK-6
- Students
- 22
- Teachers
- 17
- Student body
- Coeducational
- Program
- Montessori
- Affiliation
- Nonsectarian
- Setting
- Suburb
These are the numbers the school gave the U.S. Department of Education for the 2023-24 school year, published in July 2026. The survey counts students in kindergarten to grade 12, not pre-K. Enrollment and staffing move every year, so ask the school for today’s figures. Where this comes from. Something wrong? Tell us and we will fix it.
Keystone Montessori School tuition
We have not verified a tuition figure for Keystone Montessori School yet. Every private school sets its own price and most share it on request: ask for the full-year tuition for your child’s grade plus required fees, or look for a tuition page on the school’s website.
Questions to ask Keystone Montessori School
- What is the full-year tuition for my child’s grade, and which fees are required on top of it?
- Is there a waitlist or an application deadline for my child’s grade?
- Do you offer financial aid, sibling discounts or payment plans?
A school is the only source for its current price and open seats. Its website or admissions office can answer these.
Tuition at nearby private schools
| School | Published tuition | Year | Miles |
|---|---|---|---|
| Lowell Catholic | $7,400 to $15,000 | 2026-27 | 2.6 |
| Academy of Notre Dame | $10,200 to $19,200 | 2026-27 | 3.3 |
Each figure was read on that school's own website and is linked on its page. Ranges run from the lowest to the highest grade band.
Other private schools nearby
| School | Grades | Students | Miles |
|---|---|---|---|
| Lighthouse School | PreK-12 | 213 | <1 |
| Greater Visions Childrens Center | PreK-K | 9 | 2 |
| Community Christian Academy | PreK-8 | 126 | 2 |
| Lowell Catholic | PreK-12 | 705 | 3 |
| St. Patrick School and Educational Center | K-8 | 84 | 3 |
| Hellenic American Academy | PreK-6 | 78 | 3 |
| Academy of Notre Dame | PreK-12 | 502 | 3 |
| Immaculate Conception School | PreK-8 | 303 | 4 |
Private schools
Keep looking
- All private schools near Lowell
- Montessori schools in Massachusetts
- Private elementary schools in Massachusetts
- Private middle schools in Massachusetts
- Private schools with kindergarten in Massachusetts
- Private schools with pre-K in Massachusetts
- Private schools in Middlesex County
- School choice in Massachusetts: what is available
- Compare schools side by side
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