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The Mark Twain Memorial

Hartford, Connecticut · EIN 06-0685118 · Arts, Culture & Humanities · tax-exempt since 1938

C

Charity Clarity grade C (score 64.8 of 100), based on the Form 990 for the year ended December 2025.

Graded against 19,395 arts, culture & humanities nonprofits with revenue $2M–$10M 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.39.6 months38
GovernanceBoard independence, key policies and audit, per the 990.100% of practices100
Margin stabilityHow steady the surplus or deficit is year to year.37
Revenue spreadHow much revenue rests on one type of income.53% from one source63
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.86.2%not scored
Management costsShare of spending.1.7%not scored
Cost to raise $1Fundraising cost per dollar given.$0.19not scored

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

Year by year

20162017201820192020202120222022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Dec 2025Form 990$4.01M$3.59M$417K$11.85M39.675C
Dec 2024Form 990$3.19M$3.60M−$409K$11.33M37.776B
Dec 2023Form 990$2.94M$3.55M−$607K$11.55M39.078B
Dec 2022Form 990$2.77M$3.00M−$235K$11.91M47.681C
Jan 2022Form 990$4.26M$2.30M$1.96M$12.42M64.964D
Jan 2021Form 990$1.47M$2.37M−$901K$10.91M55.278D
Jan 2020Form 990$3.40M$3.08M$323K$11.63M45.391C
Jan 2019Form 990$2.53M$3.16M−$629K$11.12M42.398C
Jan 2018Form 990$3.15M$3.03M$118K$11.85M46.984C
Jan 2017Form 990$4.05M$3.01M$1.04M$11.45M45.786C
Jan 2016Form 990$2.80M$2.96M−$154K$10.21M41.478C

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:

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