Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in May 1965.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
84 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
14 people listed on the 990; $78K paid to officers and key staff.
Jennifer Baker’s $156K as Head of School is at the 67th percentile of top reported officer pay among 3395 $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 · 5 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Jennifer Baker | $155,684 | $150,916 | $73,507 | — | — |
| Dr Timothy Spurrier Former | — | — | — | $142,115 | — |
| Katrina Bryan | $108,155 | $110,491 | $134,999 | $98,580 | — |
| Stephanie Pierce | $104,246 | $105,627 | — | — | — |
| Dr Timothy Spurrier | — | — | — | — | $78,325 |
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.
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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
Educates children for secondary school, fostering respect, integrity, and responsibility.
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Mason preparatory school educates 289 students from kindergarten through eighth grade programs. The school is accredited by the southern association of colleges and schools (sacs), the southern association of independent schools (sais), and the south carolina independent school association (scisa).
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2021 990, line by line.
Download 990
| Line | Start FY21 | End FY21 |
|---|---|---|
| Cash and savingsLn 1–2 | $3.7M | $4.0M |
| InvestmentsLn 11–13 | $1.8M | $2.4M |
| Land, buildings, equipmentLn 10c | $7.6M | $7.4M |
| Total assetsLn 16 | $13.8M | $14.5M |
| LiabilitiesLn 26 | $7.8M | $7.2M |
| Net assetsLn 32 | $6.0M | $7.3M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic individualsLn 2 | $155K | $155K | ||
| Pay of current officers, directors and key staffLn 5 | $150K | $90K | $60K | |
| Other salaries and wagesLn 7 | $2.6M | $2.2M | $467K | |
| Pension plan contributionsLn 8 | $43K | $36K | $7K | |
| Other employee benefitsLn 9 | $262K | $262K | ||
| Payroll taxesLn 10 | $206K | $167K | $39K | |
| Legal feesLn 11b | $20K | $20K | ||
| Accounting feesLn 11c | $10K | $10K | ||
| Investment management feesLn 11f | $16K | $16K | ||
| Other fees for servicesLn 11g | $49K | $23K | $26K | |
| Advertising and promotionLn 12 | $43K | $43K | ||
| Office expensesLn 13 | $70K | $893 | $69K | |
| Information technologyLn 14 | $15K | $15K | ||
| OccupancyLn 16 | $559K | $548K | $11K | |
| TravelLn 17 | $455 | $455 | ||
| Conferences, conventions and meetingsLn 19 | $864 | $864 | ||
| Depreciation, depletion and amortizationLn 22 | $410K | $390K | $21K | |
| Other expenses (24a–d)Ln 24 | $201K | $188K | $13K | |
| Total functional expensesLn 25 | $4.8M | $4.1M | $775K | $0 |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest | $6.7M | $5.6M | $1.1M | $10.6M | 990 PDF |
| FY2024 | $6.8M | $5.4M | $1.4M | $9.4M | 990 PDF |
| FY2023 | $5.8M | $5.2M | $616K | $8.1M | 990 PDF |
| FY2022 | $5.5M | $5.1M | $373K | $7.3M | 990 PDF |
| FY2021 Viewing | $5.7M | $4.8M | $803K | $7.3M | 990 PDF |
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Schedules filed Part IV
See the full FY2021 990 (4 parts)
Part VIII · Statement of revenue $5,650,248 across 8 lines filed
Part IX · Statement of functional expenses $4,847,193 across 18 lines filed
Part X · Balance sheet $14,487,154 assets, 17 lines filed
Part XI · Reconciliation of net assets $7,265,570 net assets at year end
Form 990 e-file (XML) FY2021 from the IRS · Classification, formation year and address from the IRS Business Master File
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