Mason Preparatory School is a Public Charity headquartered in Charleston, SC. Financial data from the 2025 filing: $6.7M revenue, $5.6M expenses, $17.0M total assets. 23 publicly reported grants to this organization, totaling roughly $1.7M, appear in IRS filings.
Mason Preparatory School is committed to the education of the whole child in preparation for secondary education through the cultivation of respect, integrity, and personal responsibility within a nurturing environment that results in a productive citizen of a global community.
How Mason Preparatory School divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Showing up to 5 of 23 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $6.7M | $5.6M | $17.0M |
| 2024 | $6.8M | $5.4M | $16.2M |
| 2023 | $5.8M | $5.2M | $14.9M |
| 2022 | $5.5M | $5.1M | $14.3M |
| 2021 | $5.7M | $4.8M | $14.5M |
Between 2021 and 2025, reported annual revenue grew from $5.7M to $6.7M (+19%), with total assets most recently reported at $17.0M.
Interactive year-over-year charts and full filing details available with membership.
