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Nonprofit · EIN 94-2174042

MONTESSORI SCHOOL OF SONOMA INCORPORATED

Tax-exempt · SONOMA, CA 95476

Financials

$1.1M$1.2M2023$1.3M$1.3M2024
Revenue Expenses · by fiscal year end
Financials of MONTESSORI SCHOOL OF SONOMA INCORPORATED by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$1,285,475$1,301,256-$15,781$519,393$80,264$439,129
June 30, 2024990$1,072,401$1,204,124-$131,723$535,885$80,975$454,910
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$1,276,005
Investment income
$9,470
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Benefits paid to members
$62,113
Compensation of officers, directors and key employees
$121,417
Other salaries and wages
$736,546
Salaries, compensation and benefits (total)
$930,022
Professional fundraising fees
$0
Legal fees
$795
Accounting fees
$16,729
Occupancy
$95,414
Travel
$857
Program services (functional)
$1,301,256

Balance sheet and other

Total assets, start of year
$535,885
Total assets, end of year
$519,393
Total liabilities, end of year
$80,264
Net assets, end of year
$439,129
Net assets without donor restrictions
$439,129
Gross receipts
$1,285,475
Employees
24
Volunteers
0
Year formed
1972
State of legal domicile
CA

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.

NameTitleHours / weekCompensation
Cathy VaughnDirector
Officer
40$121,417
Sarah RobertsonTreasure
Officer
40$92,900
Christine NelesSecretary
Officer
40$81,170
990 for the year ended June 30, 2024: 3 people
NameTitleHours / weekCompensation
Cathy VaughnDirector
Key employee
40$110,890
Sarah RobertsonTreasure
Officer
40$88,588
Maria DelgadoSecretary
Officer
1$0

Address and contacts

Address (IRS master file)
PO BOX 760, SONOMA, CA 95476-0760
Principal officer (990 for 2024)
Cathy Vaughn, 19675 8th st, Sonoma, CA 95476
Signed the 990
Cathy Vaughn, Director
Phone
(707) 996-2422

California records

California keeps its own records of charities and corporations. Search them by EIN 94-2174042 or by the name MONTESSORI SCHOOL OF SONOMA INCORPORATED.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

To operate a licenced Montessori School for students 12 months to 10 years old.

990 for the year ended June 30, 2025

Program accomplishments

  • To operate a licenced Montessori School serving children 12 months to 10 years
    Expenses $1,301,256 · revenue $1,285,475
  • No second0
  • None0

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 yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
94-2174042
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
1973
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$519,393
Income (IRS master file)
$1,285,475

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$1,285,475$1,301,256$519,393XML
990June 2024$1,072,401$1,204,124$535,885XML
990June 2023$1,008,773$931,543$646,637IRS
990June 2022–––IRS
990June 2021–––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 94-2174042).

Questions about MONTESSORI SCHOOL OF SONOMA INCORPORATED

What is the EIN of MONTESSORI SCHOOL OF SONOMA INCORPORATED?
The employer identification number (EIN) of MONTESSORI SCHOOL OF SONOMA INCORPORATED is 94-2174042.
Is MONTESSORI SCHOOL OF SONOMA INCORPORATED tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1973.
Are donations to MONTESSORI SCHOOL OF SONOMA INCORPORATED tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MONTESSORI SCHOOL OF SONOMA INCORPORATED 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 SCHOOL OF SONOMA INCORPORATED 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 MONTESSORI SCHOOL OF SONOMA INCORPORATED last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of MONTESSORI SCHOOL OF SONOMA INCORPORATED?
The 990 for the year ended June 30, 2025 names Cathy Vaughn.
Who are the officers and directors of MONTESSORI SCHOOL OF SONOMA INCORPORATED?
The 990 for the year ended June 30, 2025 lists 3 people; 3 received compensation from the organization, the highest $121,417 (Cathy Vaughn, Director).
How much revenue does MONTESSORI SCHOOL OF SONOMA INCORPORATED have?
On its 990 for the year ended June 30, 2025 it reported revenue of $1,285,475, expenses of $1,301,256 and total assets of $519,393 at year end.

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