Mission
TO EDUCATE MIDDLE SCHOOL BOYS - ACADEMICALLY, SOCIALLY, ATHLETICALLY, AND SPIRITUALLY.
Hillside School Inc is a Public Charity headquartered in Marlborough, MA. Financial data from the 2025 filing: $11.4M revenue, $9.9M expenses, $39.8M total assets. 29 publicly reported grants to this organization, totaling roughly $952K, appear in IRS filings.
TO EDUCATE MIDDLE SCHOOL BOYS - ACADEMICALLY, SOCIALLY, ATHLETICALLY, AND SPIRITUALLY.
Showing up to 5 of 29 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $11.4M | $9.9M | $39.8M |
| 2024 | $10.8M | $9.6M | $39.3M |
| 2023 | $10.3M | $8.9M | $36.4M |
| 2021 | $9.3M | $9.4M | $35.0M |
| 2020 | $10.2M | $10.8M | $34.7M |
Between 2020 and 2025, reported annual revenue grew from $10.2M to $11.4M (+12%), with total assets most recently reported at $39.8M.
Interactive year-over-year charts and full filing details available with membership.