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Nonprofit · EIN 86-0833507

CHALLENGE SCHOOL INC

Tax-exempt · GLENDALE, AZ 85308

Financials

$4.3M$4.3M2022$4.4M$4.3M2023$4.2M$4.2M2024
Revenue Expenses · by fiscal year end
Financials of CHALLENGE SCHOOL INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$4,242,123$4,238,627$3,496$4,353,056$2,465,854$1,887,202
June 30, 2024990$4,428,061$4,293,905$134,156$4,318,578$2,596,440$1,722,138
June 30, 2023990$4,326,044$4,325,769$275$4,180,718$2,592,736$1,587,982
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$291,114
of which government grants
$237,350
Program service revenue
$3,607,568
Investment income
$83,916
Net income from fundraising events
$13,975
Other revenue
$259,525

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$208,295
Other salaries and wages
$1,942,423
Salaries, compensation and benefits (total)
$2,855,973
Professional fundraising fees
$0
Legal fees
$1,949
Accounting fees
$10,065
Occupancy
$83,420
Depreciation
$160,483
Program services (functional)
$3,549,852
Management and general (functional)
$688,775

Balance sheet and other

Total assets, start of year
$4,318,578
Total assets, end of year
$4,353,056
Total liabilities, end of year
$2,465,854
Net assets, end of year
$1,887,202
Land, buildings and equipment
$1,552,091
Net assets without donor restrictions
$1,483,686
Net assets with donor restrictions
$403,516
Gross receipts
$4,261,659
Employees
61
Volunteers
20
Year formed
1996
State of legal domicile
AZ

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
WENDY MILLERSECRETARY, C
Trustee or director, Officer
40$139,703
BRIANNA BLINZLERBUSINESS MAN
Highest-paid employee
40$101,294
PAMELA MILLERPRESIDENT
Trustee or director, Officer
40$68,592
MICHAEL KUCZALABOARD MEMBER
Trustee or director
1$0
SCOT SCHLUNDVICE PRESIDE
Trustee or director, Officer
1$0
990 for the year ended June 30, 2024: 5 people
NameTitleHours / weekCompensation
MILLER WCEO/SECRETARY/PRINCIPAL
Trustee or director, Officer
40$131,875
NIETCH TDIRECTOR
Former
40$86,667
MILLER PPRESIDENT
Trustee or director, Officer
40$79,425
SCHLUND SVP
Trustee or director, Officer
2$0
KUCZALA MDIRECTOR
Trustee or director
2$0
990 for the year ended June 30, 2023: 5 people
NameTitleHours / weekCompensation
MILLER WCEO/SECRETARY/PRINCIPAL
Trustee or director, Officer
40$119,791
MILLER PPRESIDENT
Trustee or director, Officer
40$85,002
NEITCH TDIRECTOR
Trustee or director
40$72,083
SCHLUND SVP
Trustee or director, Officer
2$0
KUCZALA MDIRECTOR
Trustee or director
2$0

Address and contacts

Address (IRS master file)
5801 W GREENBRIAR DR, GLENDALE, AZ 85308-3847
Principal officer (990 for 2024)
WENDY MILLER, 5801 W GREENBRIAR DR, GLENDALE, AZ 85308
Signed the 990
WENDY MILLER, SECRETARY, CEO
Phone
(602) 938-5411
Return prepared by
FESTER & CHAPMAN PLLC

Mission

TO PROVIDE PRIMARY EDUCATION K - 6.

990 for the year ended June 30, 2025

Program accomplishments

  • PROVIDE PRIMARY EDUCATION K - 6.
    Expenses $3,549,852 · revenue $3,607,568

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
86-0833507
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1997
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B20Z)
Assets (IRS master file)
$4,353,056
Income (IRS master file)
$4,261,659

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$4,242,123$4,238,627$4,353,056IRS
990June 2024$4,428,061$4,293,905$4,318,578XML
990June 2023$4,326,044$4,325,769$4,180,718XML
990June 2022$4,795,064$4,637,216$4,195,461IRS
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 86-0833507).

Questions about CHALLENGE SCHOOL INC

What is the EIN of CHALLENGE SCHOOL INC?
The employer identification number (EIN) of CHALLENGE SCHOOL INC is 86-0833507.
Is CHALLENGE SCHOOL INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1997.
Are donations to CHALLENGE SCHOOL INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CHALLENGE SCHOOL INC 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 CHALLENGE SCHOOL INC 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 CHALLENGE SCHOOL INC 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 CHALLENGE SCHOOL INC?
The 990 for the year ended June 30, 2025 names WENDY MILLER.
Who are the officers and directors of CHALLENGE SCHOOL INC?
The 990 for the year ended June 30, 2025 lists 5 people; 3 received compensation from the organization, the highest $139,703 (WENDY MILLER, SECRETARY, C).
How much revenue does CHALLENGE SCHOOL INC have?
On its 990 for the year ended June 30, 2025 it reported revenue of $4,242,123, expenses of $4,238,627 and total assets of $4,353,056 at year end.

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