Mission
ARBOR SCHOOL IS A SMALL LEARNING COMMUNITY FOUNDED ON THE PREMISE THAT EDUCATION IS DECISIVE AND ENDURING TO THE DEGREE THAT IT SUPPORTS THE DEVELOPMENT OF INTELLECT, CHARACTER, AND CREATIVITY.
Public Charity
ARBOR SCHOOL OF ARTS & SCIENCES
ARBOR SCHOOL OF ARTS & SCIENCES is a nonprofit organization categorized as Public Charity based in TUALATIN, OR. Its most recent IRS filing (2025) reports revenue of $3.9M, expenses of $4.2M, total assets of $9.4M. Imperigo tracks 20 reported grant relationships connected to this organization totaling approximately $496K.
EIN: 943089073
TUALATIN, OR
Primary & Elementary Schools
NTEE: B24
Latest filing: 2025
Total Revenue$3.9M
Total Expenses$4.2M
Total Assets$9.4M
Grant Records20
Funding Total$496K
Filing Years2021–2025
Where $100 goes at Arbor School of Arts & Sciences
How Arbor School of Arts & Sciences divides every $100 it spends, from its own Form 990 filings, averaged across 10 years.
$77
Programs
the work itself
$23
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 $77 for programs
$77
Elementary education of approximately 190 students
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.
Sample Grants Received
K12 Education
$55,416
EDUCATIONAL
$10,044
GENERAL SUPPORT
$10,000
GENERAL SUPPORT
$10,000
K12 Education
$50,730
Showing up to 5 of 20 total records — full history available with membership.
Officers & Directors
HEAD OF SCHOOL
Isaac Enloe
EMERITUS
John Thompson
EMERITUS
Kit Hawkins
Secretary
Linda Fosberg
President
Sally Lefeber
Treasurer
Steve Hall
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $3.9M | $4.2M | $9.4M |
| 2024 | $3.9M | $3.9M | $9.3M |
| 2023 | $3.5M | $3.7M | $9.7M |
| 2022 | $3.1M | $3.2M | $9.3M |
| 2021 | $3.5M | $2.9M | $9.5M |
Between 2021 and 2025, reported annual revenue grew from $3.5M to $3.9M (+13%), with total assets most recently reported at $9.4M.
Interactive year-over-year charts and full filing details available with membership.