Nonprofit · EIN 36-2516437
RONALD KNOX MONTESSORI SCHOOL
Tax-exempt · WILMETTE, IL 60091
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $2,318,816 | $1,811,781 | $507,035 | $6,469,547 | $1,573,622 | $4,895,925 |
| June 30, 2024 | 990 | $2,126,774 | $1,858,140 | $268,634 | $6,197,450 | $1,838,970 | $4,358,480 |
| June 30, 2023 | 990 | $1,714,463 | $1,512,927 | $201,536 | $6,118,081 | $2,034,100 | $4,083,981 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $80,678
- of which government grants
- $1,758
- Program service revenue
- $2,133,247
- Investment income
- $93,477
- Other revenue
- $11,414
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $103,791
- Other salaries and wages
- $1,092,645
- Salaries, compensation and benefits (total)
- $1,196,436
- Professional fundraising fees
- $0
- Accounting fees
- $83,700
- Depreciation
- $131,854
- Program services (functional)
- $1,283,527
- Management and general (functional)
- $527,059
- Fundraising (functional)
- $1,195
Balance sheet and other
- Total assets, start of year
- $6,197,450
- Total assets, end of year
- $6,469,547
- Total liabilities, end of year
- $1,573,622
- Net assets, end of year
- $4,895,925
- Land, buildings and equipment
- $3,863,633
- Publicly traded securities
- $1,024,766
- Net assets without donor restrictions
- $4,895,925
- Gross unrelated business income
- $93,477
- Gross receipts
- $2,318,816
- Employees
- 37
- Volunteers
- 12
- Year formed
- 1963
- 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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| EMILY KAROTTKI | PRESIDENT Trustee or director, Officer | 4 | $0 |
| CELIA PEREZ | DEVELOPMENT CHAIR Trustee or director | 0.5 | $0 |
| MARJORIE FILICE | TRUSTEE Trustee or director | 0.5 | $0 |
| DIANA MAZZIERO | VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| LISSA LUNT | TREASURER Trustee or director, Officer | 1 | $0 |
| KYLE VRABAC | CO-SECRETARY Trustee or director, Officer | 1 | $0 |
| ANNA PATEL | CO-SECRETARY Trustee or director, Officer | 1 | $0 |
| MARYKATE SHIELDS | COMMUNITY ENGAGEMENT CO-CH Trustee or director | 0.5 | $0 |
| JAMES DAVIS | MEMBER AT LARGE Trustee or director | 0.5 | $0 |
| KRISTEN DOLD CHRISTMAN | COMMUNITY ENGAGEMENT CO-CH Trustee or director | 0.5 | $0 |
| EMILY SCHWULST | MEMBER AT LARGE Trustee or director | 0.5 | $0 |
| ELIZABETH PAPPANO | MEMBER AT LARGE Trustee or director | 0.5 | $0 |
990 for the year ended June 30, 2024: 12 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BLYTHE SILVA | HEAD OF SCHOOL Key employee | 40 | $189,844 | $5,513 |
| MARJORIE FILICE | PRESIDENT Trustee or director, Officer | 4 | $0 | $0 |
| STEWART BEWLEY | DEVELOPMENT CO-CHAIR Trustee or director | 0.5 | $0 | $0 |
| ELIZABETH PAPPANO | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| EMILY KAROTTKI | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| LISSA LUNT | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| DIANA MAZZIERO | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| CHRIS MARTINEZ | DEVELOPMENT CO-CHAIR Trustee or director | 0.5 | $0 | $0 |
| CHRISSIE MCCOURT | COMMUNITY ENGAGEMENT CO-CHAIR Trustee or director | 0.5 | $0 | $0 |
| EMILY SCHWULST | MEMBER AT LARGE Trustee or director | 0.5 | $0 | $0 |
| KRISTEN DOLD CHRISTMAN | COMMUNITY ENGAGEMENT CO-CHAIR Trustee or director | 0.5 | $0 | $0 |
| JAMES DAVIS | FINANCE CHAIR Trustee or director | 0.5 | $0 | $0 |
990 for the year ended June 30, 2023: 14 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BLYTHE SILVA | HEAD OF SCHOOL Key employee | 40 | $187,375 | $5,250 |
| MARJORIE FILICE | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| CHRISTINE ROLOFF | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| STEWART BEWLEY | DEVELOPMENT CHAIR Trustee or director | 0.5 | $0 | $0 |
| ELIZABETH PAPPANO | VP AND SECRETARY Trustee or director, Officer | 0.5 | $0 | $0 |
| EMILY KAROTTKI | VP AND SECRETARY Trustee or director, Officer | 0.5 | $0 | $0 |
| ERIN HEALY | TREASURER Trustee or director, Officer | 0.5 | $0 | $0 |
| BECCA HARDY | MARKETING CHAIR Trustee or director | 0.5 | $0 | $0 |
| ELIZABETH PAPPANO | VICE PRESIDENT Trustee or director, Officer | 0.5 | $0 | $0 |
| MARIANN STRAUB | MEMBER AT LARGE Trustee or director | 0.5 | $0 | $0 |
| CHRISSIE MCCOURT | COMMUNITY ENGAGEMENT CHAIR Trustee or director | 0.5 | $0 | $0 |
| EMILY SCHWULST | MEMBER AT LARGE Trustee or director | 0.5 | $0 | $0 |
| MARIANNA OROZCO-LOPEZ | COMMUNITY ENGAGEMENT CHAIR Trustee or director | 0.5 | $0 | $0 |
| JAMES DAVIS | FINANCE CHAIR Trustee or director | 0.5 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 2031 ELMWOOD AVE, WILMETTE, IL 60091-1431
- Signed the 990
- ROBIN PADAR, HEAD OF SCHOOL
- Phone
- (847) 256-2922
- Website
- WWW.RONALDKNOX.ORG
- Return prepared by
- CJBS LLC
Mission
TO FOLLOW THE PHILOSOPHY AND GUIDING PRINCIPLES OF DR. MARIA MONTESSORI AND TO UPHOLD THE STANDARDS OF THE AMERICAN MONTESSORI SOCIETY, TO CREATE A NURTURING, STIMULATING ENVIRONMENT THAT IS RESPONSIVE TO A CHILD'S NEEDS AND TENDENCIES AT EACH STAGE OF HIS OR HER DEVELOPMENT, TO HELP EACH AND EVERY CHILD REACH HIS OR HER FULL POTENTIAL BY ATTENDING TO HIS OR HER TOTAL DEVELOPMENT - INTELLECTUAL, SOCIAL, PHYSICAL AND EMOTIONAL, TO INSTILL A LIFELONG LOVE OF LEARNING, AND TO FOSTER A STRONG COMMUNITY OF PARENTS, FACULTY, AND ADMINISTRATORS.
Program accomplishments
- PROVIDING EDUCATION THROUGH THE MONTESSORI METHOD TO TODDLER THROUGH KINDERGARTEN.Expenses $1,283,527 · revenue $2,144,661
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 36-2516437
- 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
- 1968
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $6,469,547
- Income (IRS master file)
- $2,318,816
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $2,318,816 | $1,811,781 | $6,469,547 | IRS |
| 990 | June 2024 | $2,126,774 | $1,858,140 | $6,197,450 | IRS |
| 990 | June 2023 | $1,714,463 | $1,512,927 | $6,118,081 | XML |
| 990 | June 2022 | $1,731,876 | $1,399,541 | $5,960,928 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | 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 36-2516437).
Questions about RONALD KNOX MONTESSORI SCHOOL
- What is the EIN of RONALD KNOX MONTESSORI SCHOOL?
- The employer identification number (EIN) of RONALD KNOX MONTESSORI SCHOOL is 36-2516437.
- Is RONALD KNOX MONTESSORI SCHOOL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1968.
- Are donations to RONALD KNOX MONTESSORI SCHOOL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does RONALD KNOX MONTESSORI 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 RONALD KNOX MONTESSORI SCHOOL due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did RONALD KNOX MONTESSORI SCHOOL last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who are the officers and directors of RONALD KNOX MONTESSORI SCHOOL?
- The 990 for the year ended June 30, 2025 lists 12 people; 0 received compensation from the organization.
- How much revenue does RONALD KNOX MONTESSORI SCHOOL have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $2,318,816, expenses of $1,811,781 and total assets of $6,469,547 at year end.
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