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US nonprofit · EIN 510111787 · Wilmington, DEiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 510111787) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe time served.Latest return IRS Form 990 series e-file data - 990 for the year to 30 June 2025: assets, liabilities, staff, website, telephone, pay, grants paid (Schedule I).Finances by year IRS Form 990 e-file data - total revenue and total expenses by tax year.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue. Not a statement that the organisation is recruiting.Principal officer IRS Form 990-N (e-Postcard) - principal officer named for tax year 2022.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Montessori Works Inc

Donations deductible
Revenue
$585k
year to 30 June 2025
Expenses
$598k
year to 30 June 2025
Total assets
$64k
$0 liabilities
Net assets
$64k
assets less liabilities
Directors and trustees
9
3.9 years on average
Staff
0
9 volunteers
Chair observed
≥6 yrs
Linda Zankowsky
Left since last filing
3
33% of the board
How am I connected?

Montessori Works Inc's network

9 people4 organisationsi9 people and 4 organisations on this map.The large node is the subject of this page. Solid lines are what the register itself records (9). Violet dotted lines (6) are likely: the same full name sits on the current board of another organisation in the same register and region. Form 990 filings give names without a person identifier; SEC insider filings carry a CIK. It may be a different person.

The board

9 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations in the tables. The network map shows same-name matches as likely links only, never as confirmed.Time served and departures are observed across annual filings. Observed time served is a lower bound - a member may have joined before the first year on record. The organisation reported 9 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
Linda Zankowsky ChairChair2019
7 yrs
Courtney FoxBoard Member2025
1 yr
Jenniferr CooperBoard Member2025
1 yr
Jessica Crampton BradleyBoard Member2019
7 yrs
Jon OffredoBoard Member2024
2 yrs
Kyma FulgenceBoard Member2024
2 yrs
Maya ConstantineBoard Member2024
2 yrs
Pete LeidaBoard Member2024
2 yrs
Sean StewardBoard Member2019
7 yrs
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 30 June 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Linda ZankowskyChair5$0
Jessica Crampton BradleyBoard Member1$0
Courtney FoxBoard Member1$0
Jenniferr CooperBoard Member1$0
Sean StewardBoard Member1$0
Maya ConstantineBoard Member1$0
Jon OffredoBoard Member1$0
Pete LeidaBoard Member1$0
Kyma FulgenceBoard Member1$0

No pay was reported for anyone in Part VII on this return.

About

Legal name
Montessori Works Inc
EIN
510111787
Address
1000 N French St, Wilmington, DE, 19801-3331
State
Delaware
Mission
Montessori works inc. Is a school development organization founded to increase accessible, authentic, quality montessori education in delaware. The organization is an advocate, resource, and thought leader in the creation of publicly provided montessori education. Founded in 1971, the organization is located in new castle, delaware. (as filed on the Form 990)
Activity (NTEE)
B24Z Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
3 (IRS master file code)
Formed
1971
Principal officer
Linda Zankowsky (as named on the Form 990)
IRS ruling date
1 June 1971
Status
Code 01 (unconditional exemption)
Form 990 filings on record
5, latest 2025
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥7years on the filingsLinda Zankowsky
≥7years on the filingsJessica Crampton Bradley
≥7years on the filingsSean Steward
≥2years on the filingsJon Offredo

Latest return

year to 30 June 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 30 June 2025. US dollars, as filed.
Total assets
$64k
Total liabilities
$0
Net assets or fund balances
$64k
Contributions and grants received
$565k
Program service revenue
$20k
Grants and similar paid out
$562k
Employees
0
Volunteers
9

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2023$136k$141kDeficit $5k

As filed on the IRS Form 990. US dollars.

Grants paid

1 listediFrom Schedule I of the Form 990: grants and assistance to organisations in the United States, largest first (up to 25). Schedule I is filed only by organisations that gave more than $5,000 to any one recipient.
RecipientPurposeAmount
Sussex Montessori School IncCapital renovations$562k