Nonprofit · EIN 36-3043306
MONTESSORI ELEMENTARY SCHOOL
Tax-exempt · LEMONT, IL 60439
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| July 31, 2025 | 990 | $1,587,467 | $1,379,557 | $207,910 | $3,553,631 | $1,376,455 | $2,177,176 |
| July 31, 2024 | 990 | $1,596,385 | $1,285,800 | $310,585 | $3,486,270 | $1,517,003 | $1,969,267 |
| July 31, 2023 | 990 | $1,598,288 | $1,237,102 | $361,186 | $3,293,735 | $1,635,053 | $1,658,682 |
Financial details: 990 for the year ended July 31, 2025
Revenue
- Contributions, gifts and grants
- $39,564
- Program service revenue
- $1,495,323
- Investment income
- $30,833
- Net income from fundraising events
- $21,747
- Other revenue
- $21,747
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $221,848
- Other salaries and wages
- $571,814
- Salaries, compensation and benefits (total)
- $940,832
- Professional fundraising fees
- $0
- Accounting fees
- $8,038
- Occupancy
- $82,962
- Depreciation
- $122,759
- Program services (functional)
- $1,125,169
- Management and general (functional)
- $236,115
- Fundraising (functional)
- $18,273
Balance sheet and other
- Total assets, start of year
- $3,486,270
- Total assets, end of year
- $3,553,631
- Total liabilities, end of year
- $1,376,455
- Net assets, end of year
- $2,177,176
- Land, buildings and equipment
- $1,602,240
- Net assets without donor restrictions
- $1,870,873
- Net assets with donor restrictions
- $306,303
- Gross receipts
- $1,592,914
- Employees
- 26
- Volunteers
- 20
- Year formed
- 1979
- State of legal domicile
- IL
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 |
|---|---|---|---|---|
| Therese Colby | President Trustee or director, Officer | 45 | $102,691 | $19,332 |
| James Hilgenbrink | Treasurer Trustee or director, Officer | 45 | $57,942 | $1,738 |
| Norine Colby | Director Trustee or director | 20 | $36,760 | $0 |
| Paul Westman | Vice President Trustee or director, Officer | 1 | $0 | $0 |
| Deborah Moreno | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Sheila Lamb | Director Trustee or director | 1 | $0 | $0 |
| Mary Zeronas | Director Trustee or director | 1 | $0 | $0 |
990 for the year ended July 31, 2024: 7 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Therese Colby | President Trustee or director, Officer | 45 | $99,700 | $17,667 |
| James Hilgenbrink | Treasurer Trustee or director, Officer | 45 | $56,254 | $1,688 |
| Norine Colby | Director Trustee or director | 20 | $35,690 | $0 |
| Paul Westman | Vice President Trustee or director, Officer | 1 | $0 | $0 |
| Deborah Moreno | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Sheila Lamb | Director Trustee or director | 1 | $0 | $0 |
| Mary Zeronas | Director Trustee or director | 1 | $0 | $0 |
990 for the year ended July 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Therese Colby | President Trustee or director, Officer | 45 | $92,665 |
| James Hilgenbrink | Treasurer Trustee or director, Officer | 45 | $53,575 |
| Norine Colby | Director Trustee or director | 20 | $33,990 |
| Paul Westman | Vice President Trustee or director, Officer | 1 | $0 |
| Deborah Moreno | Secretary Trustee or director, Officer | 1 | $0 |
| Sheila Lamb | Director Trustee or director | 1 | $0 |
| Mary Zeronas | Director Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 16427 135TH ST, LEMONT, IL 60439-4743
- Principal officer (990 for 2024)
- Therese Colby, 16427 W 135th Street, Lemont, IL 60439
- Signed the 990
- Therese Colby, Executive Director
- Phone
- (815) 834-0607
- Website
- www.lemontmontessori.com
- Return prepared by
- Eifel Rambo Advisory Group Ltd
Mission
It is the mission of the Montessori School of Lemont to provide for the physical, intellectual, emotional and spiritual education of children ages 3-15 years following the methods and philosophy of Dr. Maria Montessori.
Program accomplishments
- The school provided preschool and elementary school services to 136 children during the 2024-2025 school year. It is the mission of the Montessori School of Lemont to provide for the physical, intellectual, emotional and spiritual education of children ages 3-15 years following the methods and philosophy of Dr. Maria Montessori.Expenses $1,125,169 · revenue $1,495,323
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
- 36-3043306
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- School
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Accounting year ends
- July
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $3,553,631
- Income (IRS master file)
- $1,592,914
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | July 2025 | $1,587,467 | $1,379,557 | $3,553,631 | XML |
| 990 | July 2024 | $1,596,385 | $1,285,800 | $3,486,270 | XML |
| 990 | July 2023 | $1,598,288 | $1,237,102 | $3,293,735 | XML |
| 990 | July 2022 | $1,446,270 | $1,170,552 | $3,085,584 | IRS |
| 990 | July 2021 | – | – | – | IRS |
| 990 | July 2020 | – | – | – | IRS |
| 990 | July 2019 | – | – | – | IRS |
| 990 | July 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 36-3043306).
Questions about MONTESSORI ELEMENTARY SCHOOL
- What is the EIN of MONTESSORI ELEMENTARY SCHOOL?
- The employer identification number (EIN) of MONTESSORI ELEMENTARY SCHOOL is 36-3043306.
- Is MONTESSORI ELEMENTARY SCHOOL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3).
- Are donations to MONTESSORI ELEMENTARY SCHOOL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MONTESSORI ELEMENTARY SCHOOL 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 MONTESSORI ELEMENTARY SCHOOL 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 MONTESSORI ELEMENTARY SCHOOL 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 MONTESSORI ELEMENTARY SCHOOL?
- The 990 for the year ended July 31, 2025 names Therese Colby.
- Who are the officers and directors of MONTESSORI ELEMENTARY SCHOOL?
- The 990 for the year ended July 31, 2025 lists 7 people; 3 received compensation from the organization, the highest $102,691 (Therese Colby, President).
- How much revenue does MONTESSORI ELEMENTARY SCHOOL have?
- On its 990 for the year ended July 31, 2025 it reported revenue of $1,587,467, expenses of $1,379,557 and total assets of $3,553,631 at year end.
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