San Tan Montessori School Inc is a nonprofit organization categorized as Public Charity based in Gilbert, AZ. Its most recent IRS filing (2025) reports revenue of $10.8M, expenses of $11.7M, total assets of $28.3M. Imperigo tracks 6 reported grant relationships connected to this organization totaling approximately $60K.
San Tan Charter School is a tuition-free charter school in Gilbert, Arizona, serving students from preschool through 12th grade. With Montessori, Gifted, and Mainstream programs, we provide families with educational choice and a supportive, close-knit community where every child can grow. Guided by our mission to educate the whole child, we focus on academics, social-emotional development, and strong relationships between students, families, and staff.
How San Tan Montessori School Inc divides every $100 it spends, from its own Form 990 filings, averaged across 6 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 6 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $10.8M | $11.7M | $28.3M |
| 2024 | $10.7M | $10.3M | $27.6M |
| 2023 | $10.7M | $11.1M | $27.7M |
| 2022 | $10.2M | $9.3M | $28.8M |
| 2021 | $9.0M | $8.6M | $28.3M |
Between 2021 and 2025, reported annual revenue grew from $9.0M to $10.8M (+20%), with total assets most recently reported at $28.3M.
Interactive year-over-year charts and full filing details available with membership.
