Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Oct 2007.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
73 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
Something off? Claim to add context
Who runs it and what they're paid
10 people listed on the 990; $262K paid to officers and key staff.
Kathryn M Chumas’s $159K as Head of School is at the 69th percentile of top reported officer pay among 3394 $1–10M education nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 2 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 |
|---|---|---|---|---|
| Kathryn M Chumas | $158,966 | $163,000 | $142,750 | $153,698 |
| Laurie Aaronson | $102,887 | $101,351 | — | — |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
See The Diener School INC executive salaries →Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Offers a supportive environment with small classes and personalized attention for students needing extra help.
Questions for The Diener School INC
Your first name shows with your question. The Diener School INC answers here, for everyone.
Academic Programs
Students will learn with repetition and by experience through a variety of multi-sensory and collaborative apporaches. The school will provide each student with a holistic approach that promotes a strong foundation of academics, cognitive functions, positive social experiences and enable each student to explore his or her own strengths…
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2025 990, line by line.
Download 990
| Line | Start FY25 | End FY25 |
|---|---|---|
| Cash and savingsLn 1–2 | $5.6M | $2.0M |
| InvestmentsLn 11–13 | $1.6M | $1.2M |
| Land, buildings, equipmentLn 10c | $14.7M | $17.0M |
| Total assetsLn 16 | $26.1M | $24.4M |
| LiabilitiesLn 26 | $18.2M | $16.9M |
| Net assetsLn 32 | $7.9M | $7.4M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic individualsLn 2 | $138K | $138K | ||
| Pay of current officers, directors and key staffLn 5 | $190K | $152K | $35K | $3K |
| Other salaries and wagesLn 7 | $2.7M | $2.1M | $486K | $41K |
| Other employee benefitsLn 9 | $206K | $165K | $41K | |
| Payroll taxesLn 10 | $189K | $153K | $36K | |
| Management feesLn 11a | $12K | $12K | ||
| Legal feesLn 11b | $1K | $442 | $663 | |
| Accounting feesLn 11c | $35K | $14K | $21K | |
| Other fees for servicesLn 11g | $84K | $34K | $50K | |
| Advertising and promotionLn 12 | $65K | $8K | $57K | |
| Office expensesLn 13 | $18K | $7K | $8K | $3K |
| Information technologyLn 14 | $79K | $55K | $20K | $4K |
| OccupancyLn 16 | $155K | $108K | $46K | |
| TravelLn 17 | $2K | $2K | ||
| InterestLn 20 | $446K | $132K | $314K | |
| Depreciation, depletion and amortizationLn 22 | $381K | $266K | $114K | |
| InsuranceLn 23 | $46K | $33K | $13K | |
| Other expenses (24a–d)Ln 24 | $339K | $320K | $19K | |
| All other expensesLn 24e | $77K | $27K | $48K | $2K |
| Total functional expensesLn 25 | $5.1M | $3.7M | $1.3M | $109K |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest ViewingFiled with the IRS Feb 24, 2026 | $5.3M | $5.1M | $217K | $7.4M | 990 PDF |
| FY2024Filed with the IRS May 14, 2025 | $6.7M | $4.3M | $2.3M | $7.9M | 990 PDF |
| FY2023Filed with the IRS Feb 6, 2024 | $4.1M | $4.2M | −$100K | $4.2M | 990 PDF |
| FY2022Filed with the IRS Mar 8, 2023 | $3.9M | $3.8M | $137K | $3.7M | 990 PDF |
| FY2021Filed with the IRS Apr 25, 2022 | $3.4M | $3.4M | $8K | $4.0M | 990 PDF |
| FY2020Filed with the IRS Feb 17, 2021 | $2.6M | $2.5M | $122K | $3.6M | 990 PDF |
Schedules filed Part IV
See the full FY2025 990 (6 parts)
Part I · Summary $5,331,582 revenue, 12 lines filed
Part VI · Governance 8 of 8 board members independent, no flags
Part VIII · Statement of revenue $5,331,582 across 11 lines filed
Part IX · Statement of functional expenses $5,114,892 across 19 lines filed
Part X · Balance sheet $24,353,323 assets, 17 lines filed
Part XI · Reconciliation of net assets $7,444,195 net assets at year end
Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File
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