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Nonprofit · EIN 81-0503944

MONTANA OUTDOOR SCIENCE SCHOOL

Tax-exempt · BOZEMAN, MT 59771

Financials

$577K$881K2023$294K$312K2024
Revenue Expenses · by fiscal year end
Financials of MONTANA OUTDOOR SCIENCE SCHOOL by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
August 31, 2025990$293,939$312,289-$18,350$264,023$92,644$171,379
August 31, 2024990$576,758$881,167-$304,409$196,073$6,344$189,729
Financial details: 990 for the year ended August 31, 2025

Revenue

Contributions, gifts and grants
$68,433
Program service revenue
$207,234
Investment income
$13,275
Other revenue
$4,997

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$1,431
Professional fundraising fees
$0
Accounting fees
$4,750
Occupancy
$33,305
Program services (functional)
$184,564
Management and general (functional)
$56,534
Fundraising (functional)
$71,191

Balance sheet and other

Total assets, start of year
$196,073
Total assets, end of year
$264,023
Total liabilities, end of year
$92,644
Net assets, end of year
$171,379
Publicly traded securities
$193,102
Net assets without donor restrictions
$171,379
Gross receipts
$293,939
Employees
21
Year formed
1994
State of legal domicile
MT

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 August 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Chris PlautPresident
Trustee or director, Officer
1$0
Eric LammersTreasurer
Trustee or director, Officer
1$0
Dani AravichSecretary
Trustee or director, Officer
1$0
990 for the year ended August 31, 2024: 9 people
NameTitleHours / weekCompensation
Johan EriksonExecutive Dir.
Trustee or director, Officer
40$80,000
Heather MargolisSecretary
Trustee or director, Officer
20$0
Eric LammersDirector
Trustee or director
1$0
Kellie DolanTreasurer
Trustee or director, Officer
5$0
Ashley LowreyDirector
Trustee or director
0.5$0
Emily KriegerDirector
Trustee or director
0.5$0
Angelique MilletteDirector
Trustee or director
1$0
Greg SchmidtPresident
Trustee or director, Officer
5$0
Jenny SchererVice President
Trustee or director, Officer
5$0

Address and contacts

Address (IRS master file)
PO BOX 502, BOZEMAN, MT 59771-0502
Signed the 990
Eric Lammers, Treasurer
Phone
(406) 219-3899
Return prepared by
Leah Watling CPA

Mission

To inspire curiosity, awareness, and understanding of nature and science through quality educational experiences.

990 for the year ended August 31, 2025

Program accomplishments

  • MOSS offered 50 outdoor science education summer camps to K-9 students in Gallatin and Park counties to 550 participants. These camps provided 19,500 hours of exploring science concepts in the outdoors and 24 families received scholarships to attend camps.
    Expenses $184,564

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 August, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027Not due yet
2024August 31, 2025January 15, 2026990 on file
2023August 31, 2024January 15, 2025990 on file

IRS record

EIN
81-0503944
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
1996
Accounting year ends
August
Files
Form 990 or 990-EZ
Assets (IRS master file)
$264,023
Income (IRS master file)
$293,939

Filing history

FormYear endedRevenueExpensesAssetsReturn
990August 2025$293,939$312,289$264,023XML
990August 2024$576,758$881,167$196,073IRS
990August 2023$693,827$865,812$488,868IRS
990August 2022$847,039$698,558$687,850IRS
990August 2021–––IRS
990August 2020–––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 81-0503944).

Questions about MONTANA OUTDOOR SCIENCE SCHOOL

What is the EIN of MONTANA OUTDOOR SCIENCE SCHOOL?
The employer identification number (EIN) of MONTANA OUTDOOR SCIENCE SCHOOL is 81-0503944.
Is MONTANA OUTDOOR SCIENCE SCHOOL tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to MONTANA OUTDOOR SCIENCE SCHOOL tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MONTANA OUTDOOR SCIENCE 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 MONTANA OUTDOOR SCIENCE SCHOOL due?
The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MONTANA OUTDOOR SCIENCE SCHOOL last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended August 2025.
Who are the officers and directors of MONTANA OUTDOOR SCIENCE SCHOOL?
The 990 for the year ended August 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does MONTANA OUTDOOR SCIENCE SCHOOL have?
On its 990 for the year ended August 31, 2025 it reported revenue of $293,939, expenses of $312,289 and total assets of $264,023 at year end.

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