Mission
Build a stronger school community between student, families, parents and staff. Ensure for every child the highest advantages of education through the united efforts of Oak School staff and student's parents.
Oak School Parent Organization, of Hinsdale, IL, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $196K in revenue, $44K in expenses, $616K in total assets. 3 publicly reported grants to this organization, totaling roughly $45K, appear in IRS filings.
Build a stronger school community between student, families, parents and staff. Ensure for every child the highest advantages of education through the united efforts of Oak School staff and student's parents.
Showing up to 5 of 3 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $196K | $44K | $616K |
| 2024 | $390K | $134K | $464K |
| 2023 | $177K | $191K | $208K |
| 2021 | $8K | $76K | $154K |
| 2020 | $50K | $890 | $222K |
Between 2020 and 2025, reported annual revenue grew from $50K to $196K (+290%), with total assets most recently reported at $616K.
Interactive year-over-year charts and full filing details available with membership.