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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 73-1409548

MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION

Also known as INC

Tax-exempt · TULSA, OK 74104

Financials

$27K$15K2023$500$5002024$0$02025
Revenue Expenses · by fiscal year end
Financials of MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$0$0$0$68,701$0$68,701
December 31, 2024990-EZ$500$500$0$68,701$0$68,701
December 31, 2023990-EZ$26,586$14,552$12,034$72,121$0$72,121
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$0
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0

Balance sheet and other

Total assets, start of year
$68,701
Total assets, end of year
$68,701
Total liabilities, end of year
$0
Net assets, end of year
$68,701
Cash, savings and investments
$68,701
Gross receipts
$18,874

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Hollie DalenbergJog-a-thon chair2$0
Jenna AKumaPresident2$0
Amanda EubanksTreasurer2$0
Tracey GardnerSecretary2$0
Brittnay Van MeterVice President2$0
Lovelace AkumaTrivia night chair2$0
990-EZ for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
Hollie DalenbergPresident5$0
Jenna AKumaVice President5$0
Lovelace AkumaTreasurer5$0
Ashley DalySecretary5$0
990-EZ for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
Lovelace AkumaPresident5$0
Hollie DalenbergVice President5$0
Austin BreckenridgeTreasurer5$0
Ashley DalySecretary5$0

Address and contacts

Address (IRS master file)
1127 S COLUMBIA AVE, TULSA, OK 74104-3928
Signed the 990-EZ
Mandy Eubanks, Treasuer
Phone
(918) 925-1500

Mission

Our foundation exists to support the students and staff of the Mayo Demonstration School.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • We provide support for several staff professional development events and student events. We also provided staff stipends for awards and extra duties.

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-N for MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
73-1409548
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization (509(a)(3))
Donations deductible (Pub 78)
Supporting organization of unknown type
Exempt since
1994
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Assets (IRS master file)
$68,701
Income (IRS master file)
$18,874

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$0$0$68,701XML
990-EZDecember 2024$500$500$68,701XML
990-EZDecember 2023$26,586$14,552$72,121XML
990-EZDecember 2022–––IRS
990-EZDecember 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 73-1409548).

Questions about MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION

What is the EIN of MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION?
The employer identification number (EIN) of MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION is 73-1409548.
Is MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
Are donations to MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
Which annual return does MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION?
The 990-EZ for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
How much revenue does MAYO DEMONSTRATION SCHOOL FOR SCIENCE AND TECHNOLOGY FOUNDATION have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $0, expenses of $0 and total assets of $68,701 at year end.

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