Nonprofit · EIN 45-4480175
ISTHMUS MONTESSORI ACADEMY INC
Tax-exempt · MADISON, WI 53704
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| July 31, 2025 | 990 | $3,803,486 | $3,607,939 | $195,547 | $4,193,000 | $3,062,583 | $1,130,417 |
| July 31, 2024 | 990 | $3,565,056 | $3,626,559 | -$61,503 | $4,223,704 | $3,301,494 | $922,210 |
| July 31, 2023 | 990 | $3,427,023 | $3,064,576 | $362,447 | $4,390,192 | $3,404,175 | $986,017 |
Financial details: 990 for the year ended July 31, 2025
Revenue
- Contributions, gifts and grants
- $84,098
- Program service revenue
- $3,674,642
- Investment income
- $8,582
- Other revenue
- $36,164
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $118,491
- Other salaries and wages
- $1,899,202
- Salaries, compensation and benefits (total)
- $2,407,902
- Professional fundraising fees
- $0
- Legal fees
- $138,974
- Occupancy
- $161,227
- Travel
- $69,825
- Depreciation
- $198,443
- Program services (functional)
- $2,991,833
- Management and general (functional)
- $559,529
- Fundraising (functional)
- $56,577
Balance sheet and other
- Total assets, start of year
- $4,236,364
- Total assets, end of year
- $4,193,000
- Total liabilities, end of year
- $3,062,583
- Net assets, end of year
- $1,130,417
- Land, buildings and equipment
- $3,721,712
- Net assets without donor restrictions
- $1,130,417
- Gross receipts
- $3,803,486
- Employees
- 64
- Volunteers
- 100
- Year formed
- 2012
- State of legal domicile
- WI
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 July 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Melissa Droessler | Co-Founder Trustee or director, Officer | 40 | $118,491 | $3,511 |
| Carrie Marlette | Co-Founder Trustee or director | 0 | $0 | $0 |
| Jessi Wortman | Director Trustee or director | 0 | $0 | $0 |
| Troy Vosseller | Director Trustee or director | 0 | $0 | $0 |
| Hanif NuMan | Director Trustee or director | 0 | $0 | $0 |
| Carol Hicks | Director Trustee or director | 0 | $0 | $0 |
| Benedict Moudry | Director Trustee or director | 0 | $0 | $0 |
| Phil Dosmann | Director Trustee or director | 0 | $0 | $0 |
990 for the year ended July 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Hanif NuMan | Director Trustee or director | 0 | $0 |
| Carol Hicks | Director Trustee or director | 0 | $0 |
| Benedict Moudry | Director Trustee or director | 0 | $0 |
| Troy Vosseller | Director Trustee or director | 0 | $0 |
| Jessi Wortman | Director Trustee or director | 0 | $0 |
| Melissa Droessler | Co-Founder Trustee or director, Officer | 40 | $0 |
| Carrie Marlette | Co-Founder Trustee or director, Officer | 40 | $0 |
990 for the year ended July 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Troy Vosseller | Director Trustee or director | 0 | $0 |
| Hanif NuMan | Director Trustee or director | 0 | $0 |
| Allyn Travis | Director Trustee or director | 0 | $0 |
| Jessi Wortman | Director Trustee or director | 0 | $0 |
| Melissa Droessler | Co-Founder Trustee or director, Officer | 40 | $0 |
| Carrie Marlette | Co-Founder Trustee or director, Officer | 40 | $0 |
Address and contacts
- Address (IRS master file)
- 1802 PANKRATZ ST, MADISON, WI 53704-4069
- In care of
- % MELISSA DROESSLER
- Principal officer (990 for 2024)
- Melissa Droessler, 1802 Pankratz St, Madison, WI 53704
- Signed the 990
- MELISSA DROESSLER, Co-Founder
- Phone
- (608) 661-8200
- Website
- isthmusmontessoriacademy.org
- Return prepared by
- Legacy Tax & Financial Services Inc
Mission
Our mission is to provide an aid to life through a holistic AMI Montessori Education; helping children achieve their greatest success, develop independence, and live with kindness.
Program accomplishments
- Provide a holistic AMI Montessori Education; helping children achieve their greatest success, develop independence, and live with kindness.Expenses $2,991,833 · revenue $3,719,388
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 July, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | July 31, 2026 | December 15, 2026 | Not due yet |
| 2024 | July 31, 2025 | December 15, 2025 | 990 on file |
| 2023 | July 31, 2024 | December 16, 2024 | 990 on file |
IRS record
- EIN
- 45-4480175
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- School
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2013
- Accounting year ends
- July
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B21)
- Assets (IRS master file)
- $4,193,000
- Income (IRS master file)
- $3,803,486
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | July 2025 | $3,803,486 | $3,607,939 | $4,193,000 | IRS |
| 990 | July 2024 | $3,565,056 | $3,626,559 | $4,223,704 | XML |
| 990 | July 2023 | $3,427,023 | $3,064,576 | $4,390,192 | XML |
| 990 | July 2022 | $2,989,344 | $3,241,041 | $1,356,154 | IRS |
| 990 | July 2021 | – | – | – | IRS |
| 990 | July 2020 | – | – | – | IRS |
| 990 | July 2019 | – | – | – | 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 45-4480175).
Questions about ISTHMUS MONTESSORI ACADEMY INC
- What is the EIN of ISTHMUS MONTESSORI ACADEMY INC?
- The employer identification number (EIN) of ISTHMUS MONTESSORI ACADEMY INC is 45-4480175.
- Is ISTHMUS MONTESSORI ACADEMY INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
- Are donations to ISTHMUS MONTESSORI ACADEMY INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ISTHMUS MONTESSORI ACADEMY 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 ISTHMUS MONTESSORI ACADEMY INC due?
- The return for tax year 2025 (the year ending July 31, 2026) is due December 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did ISTHMUS MONTESSORI ACADEMY INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended July 2025.
- Who is the principal officer of ISTHMUS MONTESSORI ACADEMY INC?
- The 990 for the year ended July 31, 2025 names Melissa Droessler.
- Who are the officers and directors of ISTHMUS MONTESSORI ACADEMY INC?
- The 990 for the year ended July 31, 2025 lists 8 people; 1 received compensation from the organization, the highest $118,491 (Melissa Droessler, Co-Founder).
- How much revenue does ISTHMUS MONTESSORI ACADEMY INC have?
- On its 990 for the year ended July 31, 2025 it reported revenue of $3,803,486, expenses of $3,607,939 and total assets of $4,193,000 at year end.
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