Mission
WE PARTNER WITH INDEPENDENT SCHOOLS TO ADVANCE THEIR DIVERSE APPROACHES TO EDUCATION, PRIMARILY THROUGH PROGRAMS FOR HIGH SCHOOL-AGED STUDENTS.
Public Charity
ONE SCHOOLHOUSE INC
Based in WASHINGTON, DC, ONE SCHOOLHOUSE INC operates as a Public Charity. The organization reported $4.2M in revenue, $4.1M in expenses, $5.4M in total assets for fiscal year 2025.
EIN: 270417089
WASHINGTON, DC
Educational Services
NTEE: B90
Latest filing: 2025
Total Revenue$4.2M
Total Expenses$4.1M
Total Assets$5.4M
Grant Records0
Filing Years2021–2025
Where $100 goes at One Schoolhouse Inc
How One Schoolhouse Inc divides every $100 it spends, from its own Form 990 filings, averaged across 8 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
One Schoolhouse's primary programs are the academic program and the association for academic leaders
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
SECRETARY
Ann Klotz
PRESIDENT & CEO
Brad Rathgeber
TRUSTEE
Carla Ellis
SR. DIRECTOR, FINANCE
Curt Brossman
CHIEF OPERATING OFFICER
Erin Rehel
TRUSTEE
Felicia Wilks
Officer compensation and complete director data available with membership.
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $4.2M | $4.1M | $5.4M |
| 2024 | $4.2M | $4.2M | $5.0M |
| 2023 | $4.3M | $3.9M | $4.0M |
| 2022 | $3.0M | $3.6M | $3.3M |
| 2021 | $3.2M | $3.0M | $3.4M |
Between 2021 and 2025, reported annual revenue grew from $3.2M to $4.2M (+29%), with total assets most recently reported at $5.4M.
Interactive year-over-year charts and full filing details available with membership.