Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Sep 1986.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
85 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
11 people listed on the 990; $103K paid to officers and key staff (Part VII, Section A).
Peter Zetlan’s $140K as Head of School is at the 59th 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 · 3 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Peter Zetlan | $140,000 | — | — | — | — |
| Leela Pahl | — | $104,750 | $102,931 | $51,846 | — |
| Lee Ann Robertson | — | — | — | — | $102,178 |
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 Cornerstone School 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 15aNo
Programs and updates
Offers Montessori education for children from 15 months to 14 years old.
Questions for Cornerstone School
Your first name shows with your question. Cornerstone School answers here, for everyone.
To provide montessori education to children ages 15 months to 14 years old
Form 990 Part III, line 4, FY2022. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 22-2730159) · Dispute this lineFunders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2023 990, line by line.
Download 990
| Line | Start FY23 | End FY23 |
|---|---|---|
| Cash and savingsLn 1–2 | $363K | $293K |
| InvestmentsLn 11–13 | $452K | $491K |
| Land, buildings, equipmentLn 10c | $1.9M | $1.9M |
| Total assetsLn 16 | $2.7M | $2.7M |
| LiabilitiesLn 26 | $377K | $471K |
| Net assetsLn 32 | $2.4M | $2.2M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic individualsLn 2 | $44K | $44K | ||
| Pay of officers and key staff (Part IX, line 5)Ln 5 | $112K | $95K | $17K | $223 |
| Other salaries and wagesLn 7 | $1.6M | $1.3M | $234K | $3K |
| Pension plan contributionsLn 8 | $33K | $28K | $5K | $247 |
| Other employee benefitsLn 9 | $62K | $53K | $9K | $622 |
| Payroll taxesLn 10 | $123K | $105K | $18K | $66 |
| Legal feesLn 11b | $9K | $9K | ||
| Accounting feesLn 11c | $25K | $25K | ||
| Investment management feesLn 11f | $5K | $5K | ||
| Advertising and promotionLn 12 | $2K | $2K | ||
| Office expensesLn 13 | $26K | $18K | $8K | $263 |
| OccupancyLn 16 | $153K | $145K | $8K | |
| InterestLn 20 | $1K | $903 | $226 | |
| Depreciation, depletion and amortizationLn 22 | $164K | $160K | $5K | |
| InsuranceLn 23 | $32K | $28K | $5K | $325 |
| Other expenses (24a–d)Ln 24 | $72K | $55K | $16K | $106 |
| All other expensesLn 24e | $920 | $920 | ||
| Total functional expensesLn 25 | $2.4M | $2.1M | $363K | $5K |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 LatestFiled with the IRS Dec 16, 2025 | $2.9M | $2.7M | $193K | $2.4M | 990 PDF |
| FY2024Filed with the IRS Nov 13, 2024 | $2.6M | $2.6M | −$43K | $2.2M | 990 PDF |
| FY2023 ViewingFiled with the IRS Nov 14, 2023 | $2.3M | $2.4M | −$171K | $2.2M | 990 PDF |
| FY2022Filed with the IRS May 9, 2023 | $2.1M | $2.2M | −$85K | $2.4M | 990 PDF |
| FY2021Filed with the IRS Nov 22, 2021 | $2.0M | $2.0M | −$36K | $2.6M | 990 PDF |
Schedules filed Part IV
See the full FY2023 990
Part I · Summary $2,273,787 revenue, 12 lines filed
Part VI · Governance 10 of 10 board members independent, 2 to look at
Part VIII · Statement of revenue $2,273,787 across 7 lines filed
Part IX · Statement of functional expenses $2,444,517 across 17 lines filed
Part X · Balance sheet $2,682,571 assets, 15 lines filed
Part XI · Reconciliation of net assets $2,211,852 net assets at year end
Form 990 e-file (XML) FY2023 from the IRS · Classification, formation year and address from the IRS Business Master File
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