J S Mack Foundation is a 501(c)(3) organization based in Indiana, Pennsylvania, registered in 1942, with $389,003 in FY2025 revenue. CharityIndex grades it C+.
Revenue (FY2025)
$389K
▼ 85.9% vs prior year
Philanthropy median: $168K
Expenses (FY2025)
$91K
Net assets
$4.6M
Employees
—
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for J S Mack Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For J S Mack Foundation: 609 mo reserves · +77% margin earns a B+ on this criterion. See the exact thresholds →
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for J S Mack Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For J S Mack Foundation: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
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Revenue grew from $133K (FY2020) to $389K (FY2025) across 6 reported years.
Financial snapshot
Operating margin
76.6%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$4.6M
Total liabilities
$0
Net assets
$4.6M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2025 | $389,003▼85.9% | $91,100▼53.6% | $4,623,862▼20.8% | $4,623,862▼20.8% | 990PF |
| 2024 | $2,757,605▲2187% | $196,524▼25.7% | $5,834,545▲265% | $5,834,545▲248% | 990PF |
| 2023 | $120,554▲16.7% | $264,350▼2.2% | $1,598,345▼8.7% | $1,675,420▼10.3% | 990PF |
| 2022 | $103,263▼39.7% | $270,380▼6.7% | $1,749,720▼14.0% | $1,868,604▼15.3% | 990PF |
| 2021 | $171,262▲29.2% | $289,656▲6.4% | $2,035,741▼3.3% | $2,205,331▼4.2% | 990PF |
| 2020 | $132,536 | $272,157 | $2,106,181 | $2,301,433 | 990PF |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
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Data for J S Mack Foundation (EIN 25-6002036) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.