Nonprofit · EIN 27-0417089
ONE SCHOOLHOUSE INC
Tax-exempt · WASHINGTON, DC 20005
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990 | $4,175,720 | $4,140,503 | $35,217 | $5,352,623 | $1,737,772 | $3,614,851 |
| August 31, 2024 | 990 | $4,241,824 | $4,213,571 | $28,253 | $4,962,607 | $1,635,376 | $3,327,231 |
| August 31, 2023 | 990 (amended) | $4,275,474 | $3,851,798 | $423,676 | $3,980,197 | $1,346,134 | $2,634,063 |
Financial details: 990 for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $4,172,383
- Investment income
- $3,337
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $622,178
- Other salaries and wages
- $2,279,765
- Salaries, compensation and benefits (total)
- $3,323,079
- Professional fundraising fees
- $0
- Legal fees
- $2,036
- Accounting fees
- $23,000
- Occupancy
- $48,845
- Travel
- $101,022
- Program services (functional)
- $3,072,727
- Management and general (functional)
- $1,067,776
Balance sheet and other
- Total assets, start of year
- $4,962,607
- Total assets, end of year
- $5,352,623
- Total liabilities, end of year
- $1,737,772
- Net assets, end of year
- $3,614,851
- Publicly traded securities
- $3,403,716
- Net assets without donor restrictions
- $3,614,851
- Gross receipts
- $4,175,720
- Employees
- 108
- Volunteers
- 0
- Year formed
- 2009
- State of legal domicile
- DC
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BRAD RATHGEBER | PRESIDENT & CEO Officer | 40 | $436,131 | $46,048 |
| ERIN REHEL | CHIEF OPERATING OFFICER Key employee | 40 | $176,600 | $17,415 |
| SARAH HANAWALD | EXEC.DIR.,ASSOC.FOR ACAD.LEADERS Highest-paid employee | 40 | $139,674 | $21,190 |
| SARAH WIKE | SR. DIRECTOR, ACADEMIC PROGRAM Highest-paid employee | 40 | $131,391 | $14,057 |
| CURT BROSSMAN | SR. DIRECTOR, FINANCE Officer | 40 | $124,861 | $15,138 |
| JASPER MCELRATH | DIRECTOR, DIGITAL MARKETING Highest-paid employee | 40 | $100,371 | $11,362 |
| JENNIFER AGUILAR | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JUSTIN BRANDON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ROB DIMARTINO | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CARLA ELLIS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SCOTT GRIGGS | CHAIR ELECT Trustee or director | 1 | $0 | $0 |
| ANN KLOTZ | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| NAA-ADEI KOTEY | CHAIR Trustee or director, Officer | 5 | $0 | $0 |
| JENNIFER OSLAND | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SEAN RAYMOND | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JOEL SOHN | TRUSTEE Trustee or director | 1 | $0 |
| FELICIA WILKS | TRUSTEE Trustee or director | 1 | $0 |
990 for the year ended August 31, 2024: 18 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BRAD RATHGEBER | PRESIDENT & CEO Officer | 40 | $394,370 | $40,524 |
| SARAH HANAWALD | SR. DIRECTOR, ASSOC.FOR ACAD.LEADERS Highest-paid employee | 40 | $133,064 | $19,403 |
| ELIZABETH KATZ | SR. DIRECTOR, SCHOOL PARTNERSHIPS Highest-paid employee | 40 | $118,870 | $14,516 |
| CURT BROSSMAN | SR. DIRECTOR, FINANCE Officer | 40 | $103,559 | $13,163 |
| ERIN REHEL | CHIEF OPERATING OFFICER Highest-paid employee | 40 | $106,225 | $9,424 |
| JENNIFER AGUILAR | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JUSTIN BRANDON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ROB DIMARTINO | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CARLA ELLIS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SCOTT GRIGGS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GRETCHEN KANE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANN KLOTZ | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| NAA-ADEI KOTEY | CHAIR Trustee or director, Officer | 5 | $0 | $0 |
| MEGAN MANN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JAMES PALMIERI | IMMEDIATE PAST CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| SEAN RAYMOND | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JOEL SOHN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| FELICIA WILKS | TRUSTEE Trustee or director | 1 | $0 | $0 |
990 for the year ended August 31, 2023: 15 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Brad Rathgeber | President & CEO Officer, Key employee | 40 | $302,820 | $30,750 |
| Corinne Dedini | Senior Director Highest-paid employee | 40 | $137,149 | $6,857 |
| Sarah Hanawald | Senior Director Highest-paid employee | 40 | $125,651 | $6,283 |
| Elizabeth Katz | Senior Director Highest-paid employee | 40 | $112,260 | $5,613 |
| Rob DiMartino | Trustee Trustee or director | 1 | $0 | $0 |
| Scott Griggs | Trustee Trustee or director | 1 | $0 | $0 |
| Carla Ellis | Trustee Trustee or director | 1 | $0 | $0 |
| Jennifer Aguilar | Trustee Trustee or director | 1 | $0 | $0 |
| Gretchen Kane | Trustee Trustee or director | 2 | $0 | $0 |
| Ann Klotz | Secretary Trustee or director | 1 | $0 | $0 |
| Susanna Jones | Trustee Trustee or director | 1 | $0 | $0 |
| Megan Mann | Trustee Trustee or director | 2 | $0 | $0 |
| Naa-Adei Kotey | Chair-Elect Trustee or director, Officer | 1 | $0 | $0 |
| James Palmeiri | Chair Trustee or director, Officer | 5 | $0 | $0 |
| Sean Raymond | Treasurer Trustee or director, Officer | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1015 15TH ST NW STE 1025, WASHINGTON, DC 20005-2647
- In care of
- % BRADFORD RATHGEBER
- Principal officer (990 for 2024)
- BRAD RATHGEBER, 1015 15TH STREET NW STE 1025, WASHINGTON, DC 20005
- Signed the 990
- BRAD RATHGEBER, PRESIDENT & CEO
- Phone
- (202) 618-3637
- Website
- WWW.ONESCHOOLHOUSE.ORG
- Return prepared by
- MALONEY NOVOTNY LLC
Mission
WE PARTNER WITH INDEPENDENT SCHOOLS TO ADVANCE THEIR DIVERSE APPROACHES TO EDUCATION, PRIMARILY THROUGH PROGRAMS FOR HIGH SCHOOL-AGED STUDENTS.
Program accomplishments
- ONE SCHOOLHOUSE'S PRIMARY PROGRAMS ARE THE ACADEMIC PROGRAM AND THE ASSOCIATION FOR ACADEMIC LEADERS. THE ACADEMIC PROGRAM PROVIDES ONLINE CLASSES TO STUDENTS THAT ARE PERSONALIZED, COMPETENCY-BASED, AND LEARNER-DRIVEN. THE CURRICULUM IS DESIGNED TO HELP ACADEMIC LEADERS OFFER A ROBUST ACADEMIC PROGRAM FOR THEIR COMMUNITY. THE PROGRAM SUPPLEMENTS ON-CAMPUS CLASSES WITH MORE THAN 25 AP AND COLLEGE-LEVEL COURSES; FULL SEQUENCES IN CHINESE, FRENCH, LATIN, SPANISH, AND COMPUTER SCIENCE; POST-CALCULUS MATH COURSES; AND SPECIALIZED TOPICS LIKE NEUROSCIENCE AND GLOBAL HEALTH.THE ASSOCIATION OF ACADEMIC LEADERS PROVIDES THE RESOURCES AND COMMUNITY FOR ACADEMIC LEADERS TO STRENGTHEN THEIR OWN PROFESSIONAL GROWTH AND IMPACT THE WORK OF THEIR SCHOOL. THE ASSOCIATION'S RESOURCES ADDRESS THE VAST RESPONSIBILITIES FACING ACADEMIC LEADERS SO THEY CAN HELP FULFILL THEIR SCHOOL'S AMBITIOUS MISSION, TACKLING THE BIG QUESTIONS OF TODAY AND THRIVING IN THE EDUCATION LANDSCAPE OF TOMORROW.Expenses $3,072,727 · revenue $4,172,383
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990 on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990 on file |
IRS record
- EIN
- 27-0417089
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2010
- Accounting year ends
- August
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B90)
- Assets (IRS master file)
- $5,352,623
- Income (IRS master file)
- $4,175,720
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | August 2025 | $4,175,720 | $4,140,503 | $5,352,623 | XML |
| 990 | August 2024 | $4,241,824 | $4,213,571 | $4,962,607 | XML |
| 990 | August 2023 | $4,275,474 | $3,851,798 | $3,980,197 | XML |
| 990 | August 2022 | $3,040,455 | $3,576,209 | $3,252,536 | IRS |
| 990 | August 2021 | – | – | – | IRS |
| 990 | August 2020 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 27-0417089).
Questions about ONE SCHOOLHOUSE INC
- What is the EIN of ONE SCHOOLHOUSE INC?
- The employer identification number (EIN) of ONE SCHOOLHOUSE INC is 27-0417089.
- Is ONE SCHOOLHOUSE INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
- Are donations to ONE SCHOOLHOUSE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ONE SCHOOLHOUSE INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of ONE SCHOOLHOUSE INC due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did ONE SCHOOLHOUSE INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended August 2025.
- Who is the principal officer of ONE SCHOOLHOUSE INC?
- The 990 for the year ended August 31, 2025 names BRAD RATHGEBER.
- Who are the officers and directors of ONE SCHOOLHOUSE INC?
- The 990 for the year ended August 31, 2025 lists 17 people; 6 received compensation from the organization, the highest $436,131 (BRAD RATHGEBER, PRESIDENT & CEO).
- How much revenue does ONE SCHOOLHOUSE INC have?
- On its 990 for the year ended August 31, 2025 it reported revenue of $4,175,720, expenses of $4,140,503 and total assets of $5,352,623 at year end.
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