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Charity Clarity › Look up a charity › Maine

Kennebec Montessori School

Fairfield, Maine · EIN 01-0340713 · tax-exempt since 1977

A

Charity Clarity grade A (score 94.1 of 100), based on the Form 990 for the year ended June 2025.

Graded against 88,048 unclassified nonprofits with revenue $500K–$2M filing the same form. A = top 10%, B = next 20%, C = middle 40%, D = next 20%, F = bottom 10%.

What goes into the grade

MeasureThis charityScore (0–100)
ReservesMonths of spending covered by unrestricted net assets.8.3 months96
GovernanceBoard independence, key policies and audit, per the 990.100% of practices100
Margin stabilityHow steady the surplus or deficit is year to year.98
Revenue spreadHow much revenue rests on one type of income.10% from one source76
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.92.5%not scored
Management costsShare of spending.7.5%not scored
Cost to raise $1Fundraising cost per dollar given.$0.00not scored

Scores compare this charity with its peer group; 100 is best. How Charity Clarity rates charities.

Year by year

201620172018202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Jun 2025Form 990$1.20M$1.25M−$55K$860K8.327A
Jun 2024Form 990$1.13M$1.17M−$32K$876K9.043A
Jun 2023Form 990$1.16M$959K$205K$917K11.539A
Aug 2022Form 990$1.23M$1.09M$145K$706K7.834A
Aug 2021Form 990$1.02M$902K$121K$638K8.526A
Aug 2020Form 990$890K$933K−$42K$472K6.136A
Aug 2018Form 990$920K$896K$24K$482K6.433A
Aug 2017Form 990$850K$728K$123K$450K7.434A
Aug 2016Form 990$639K$627K$12K$315K6.033A

From the organisation’s own IRS filings. “Months of spending” is total net assets divided by a month of that year’s spending. A blank grade means that year was not rated.

Read the filings

Every figure here comes from the returns this charity filed with the IRS. These sites show the full returns and more about the organisation: