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Mainspring Schools Inc

Austin, Texas · EIN 74-1143055 · Education · tax-exempt since 1950

A

Charity Clarity grade A (score 85.1 of 100), based on the Form 990 for the year ended August 2025.

Graded against 58,642 education 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.7.6 months97
GovernanceBoard independence, key policies and audit, per the 990.100% of practices100
Margin stabilityHow steady the surplus or deficit is year to year.70
Revenue spreadHow much revenue rests on one type of income.40% from one source52
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.95.7%not scored
Management costsShare of spending.1.3%not scored
Cost to raise $1Fundraising cost per dollar given.$0.07not scored

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

Year by year

2016201720182019202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Aug 2025Form 990$2.33M$2.63M−$294K$1.67M7.648A
Aug 2024Form 990$2.14M$2.49M−$352K$1.93M9.346B
Aug 2023Form 990$2.68M$2.51M$179K$2.21M10.660A
Aug 2022Form 990$2.44M$2.17M$261K$2.04M11.355B
Aug 2021Form 990$2.42M$1.84M$579K$1.93M12.645B
Aug 2020Form 990$2.01M$1.73M$281K$1.28M8.950A
Aug 2019Form 990$1.88M$1.66M$225K$967K7.052A
Aug 2018Form 990$1.58M$1.46M$120K$742K6.10B
Aug 2017Form 990$1.35M$1.41M−$65K$609K5.20B
Aug 2016Form 990$1.34M$1.18M$161K$665K6.80A

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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