Mission
OPERATION OF A PUBLIC CHARTER SCHOOL
Public Charity
MASTERY LEARNING INSTITUTE
MASTERY LEARNING INSTITUTE is a Public Charity headquartered in PORTLAND, OR. Financial data from the 2025 filing: $13.0M revenue, $11.4M expenses, $19.8M total assets.
EIN: 931278639
PORTLAND, OR
Primary & Elementary Schools
NTEE: B24
Latest filing: 2025
Total Revenue$13.0M
Total Expenses$11.4M
Total Assets$19.8M
Grant Records0
Filing Years2021–2025
Where $100 goes at Mastery Learning Institute
How Mastery Learning Institute divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$65
Programs
the work itself
$35
Management
running the organization
$0
Fundraising
none reported
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Inside the $65 for programs
$65
Direct and allocation of costs for operation of six charter schools
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.
Officers & Directors
CHAIRPRESIDENT
Bonnie Grossen
MEMBER
Gary Davis
MEMBER
Jerry Silbert
OPERATIONS DIRECTOR
Jill Domine
EXECUTIVE DIRECTOR
Stephani Walker
MEMBER
Susan Spreadborough
Officer compensation and complete director data available with membership.
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $13.0M | $11.4M | $19.8M |
| 2024 | $11.4M | $11.1M | $17.7M |
| 2023 | $10.6M | $9.8M | $16.6M |
| 2022 | $10.2M | $9.2M | $16.5M |
| 2021 | $9.2M | $9.4M | $14.7M |
Between 2021 and 2025, reported annual revenue grew from $9.2M to $13.0M (+41%), with total assets most recently reported at $19.8M.
Interactive year-over-year charts and full filing details available with membership.