To inspire a deep appreciation for natural resources community, and the arts through hands-on Outdoor education

501(c)(3) charity; gifts are tax-deductible.
82¢ of each $1 spent went to programs.
Run by 27 volunteers and 16 employees.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · People: Part I, lines 5–6

Before you give

FY2025 · Form 990Independent: from IRS data, not the org
Download 990
IRS status
501(c)(3)
not on the IRS revocation list
Looks good: listed by the IRS and not on the revocation list.
IRS BMF · Auto-Revocation List
Tax-deductible gifts
Yes
Donations are tax-deductible
Looks good: the IRS lists gifts to it as deductible.
IRS Pub. 78 · IRS BMF
Latest return
FY2025
latest Form 990
Looks good: the latest return is for FY2025, 1 tax year back; within 2 tax years.
IRS e-file · Filing history
Surplus or deficit
3 of 5
filings with a surplus
Average surplus $36K a year · 12% of revenue · last 5 filings
Worth a look: a surplus in 3 of the last 5 filings.
Pt I · Ln 19 · 5 filings
Spent on programs
82%
of spending
Looks good: 82% of spending went to programs; 75% or more.
Pt IX · Ln 25 · col B
Pay to officers and key staff
$62K
to officers and key staff · 22% of spending
Worth a look: pay to officers and key staff is 22% of spending; over 20%.
Pt VII · Sec A
7 mo
of spending, in cash
Looks good: 7.4 months of spending in cash; 3 or more.
Pt X · Ln 1–2 · Pt I · Ln 18
Named funders
6
named funders · $68K
Looks good: 6 funders name it on their filings; 3 or more.
Funders’ Sch. I, 990-PF
Liabilities
$0
0% of total assets
Looks good: liabilities are 0% of assets; 50% or less.
Pt X · Ln 26
Independent board members
9
of 9 voting members
Looks good: 9 of 9 voting members are independent, a majority.
Pt VI · Ln 1a–1b
Looks goodFineWorth a lookConcernNo data yetTap a box for the reason.
Revenue
$285K
+14% vs prior year
Spent
$279K
To programs
82%
Net assets
$447K
By yearFY2020–FY2025
Revenue
$285K
FY2025▲ +14%
Tap a bar for its year
Revenue by fiscal year
FY2020$88K
FY2021$405K
FY2022$311K
FY2023$230K
FY2024$251K
FY2025$285K
Expenses
$279K
FY2025▼ -4%
Tap a bar for its year
Expenses by fiscal year
FY2020Not on file
FY2021$238K
FY2022$232K
FY2023$260K
FY2024$290K
FY2025$279K
Net assets
$447K
FY2025▲ +1%
Tap a bar for its year
Net assets by fiscal year
FY2020$256K
FY2021$432K
FY2022$511K
FY2023$482K
FY2024$442K
FY2025$447K

From the FY2025 Form 990 · see the original

Give Claim

Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Nov 2004.

IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File

Where the money goes

82 cents of each dollar spent went to programs.

Program services 82% · $230K Management & general 18% · $49K

Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.

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Who runs it and what they're paid

16 people listed on the 990; $62K paid to officers and key staff.

Part VII, Section A · reportable compensation
Executive Director
$38,250Pt VII · Sec A
Executive Director
$23,261Pt VII · Sec A
Treasurer
$0Pt VII · Sec A
Maintenance Coordinator
$0Pt VII · Sec A
Board Member
$0Pt VII · Sec A
Board Member
$0Pt VII · Sec A
Board Member
$0Pt VII · Sec A
Chairman of the Board
$0Pt VII · Sec A

Kevin Wietlisbach’s $38K as Executive Director is at the 25th percentile of top reported officer pay among 312 $100K–1M science & technology nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.

Compensation history total reportable pay by year · 4 named individuals · Part VII

NameFY2025FY2024FY2023FY2022FY2021FY2020
Lewis Hunt———$74,940$74,760$34,160
Natalie Dinenno$23,261$59,004$56,293$2,450——
Kevin Wietlisbach$38,250—————
Marjorie Glass————$2,750—

Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.

See Klamath Outdoor Science School executive salaries →

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Questions the 990 asks

The form asks each of these directly. These are the filed answers.

  • Family or business ties among officersPt VI · Ln 2Yes
  • Top official's pay set by an independent reviewPt VI · Ln 15aYes

Programs and updates

Inspires appreciation for nature, community, and arts through outdoor education.

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Provided by the organization

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1 program · $230K · in their own filed words · FY2025
01

Klamath outdoor science school (koss) provides residential outdoor school to 5TH and 6TH grade students and to area children in summer. It also provides day camps for migrant education groups from area schools, as well as after-school and in school programing.

$230Kprogram expense

Funders

Who pays for it.

From grant filings on record. Receipts are incomplete: individual donors are never listed.

Grants

Schedule I · funders on record
Grants received · FY2024
See all 6 funders →

By the numbers

The FY2025 990, line by line.

1The main four
Money inPt VIII
$285K
Ln 12
Fees for servicesLn 2g$126K
Gifts and grantsLn 1h$124K
Other incomeLn 4–11$26K
Money outPt IX
$279K
Ln 25
Programscol B$230K
Managementcol C$49K
Owns and owesPt X
$447K
net assets · Ln 32
Cash and savingsLn 1–2$173K
Total assetsLn 16$447K
LiabilitiesLn 26$0
PeoplePt VI, VII
16
listed · VII A
PaidVII A2
Voting boardVI 1a9
IndependentVI 1b9
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$124K
Government grantsLn 1e$31K
Noncash giftsLn 1g$0
Fundraising eventsLn 1c$0
Fees for servicesLn 2g$126K
Investment incomeLn 3$9K
Other incomeLn 4–11$26K
Gains on assetsLn 7$0
Total revenueLn 12$285K
Assets in detailPt X, end of year
CashLn 1$31K
SavingsLn 2$141K
Cash and savings togetherLn 1–2$173K
Land, buildings, equipmentLn 10c$275K
Total assetsLn 16$447K
LiabilitiesLn 26$0
Net assetsLn 32$447K
OperationsPt I, VI
EmployeesI 516
VolunteersI 627
Fiscal year endsHeaderDecember
Conflict-of-interest policyVI 12aYes
Whistleblower policyVI 13Yes
Records policyVI 14Yes
3Year over year
Balance sheet, start vs end of yearPt X · col A, B
LineStart FY25End FY25
Cash and savingsLn 1–2$164K$173K
Land, buildings, equipmentLn 10c$278K$275K
Total assetsLn 16$442K$447K
LiabilitiesLn 26$0$0
Net assetsLn 32$442K$447K
4Every line
Statement of functional expensesPt IX · every line
LineTotalProgramsManagementFundraising
Grants to domestic organizationsLn 1$0$0
Grants to domestic individualsLn 2$0$0
Grants and assistance to foreign recipientsLn 3$0$0
Benefits paid to or for membersLn 4$0$0
Pay of current officers, directors and key staffLn 5$62K$30K$32K$0
Pay of disqualified personsLn 6$2K$2K$0$0
Other salaries and wagesLn 7$107K$101K$6K$0
Pension plan contributionsLn 8$2K$2K$0$0
Other employee benefitsLn 9$10K$9K$843$0
Payroll taxesLn 10$22K$18K$4K$0
Management feesLn 11a$0$0$0$0
Legal feesLn 11b$0$0$0$0
Accounting feesLn 11c$2K$0$2K$0
Lobbying feesLn 11d$0$0$0$0
Professional fundraising feesLn 11e$0$0
Investment management feesLn 11f$0$0$0$0
Other fees for servicesLn 11g$0$0$0$0
Advertising and promotionLn 12$1K$1K$0$0
Office expensesLn 13$1K$0$1K$0
Information technologyLn 14$1K$0$1K$0
RoyaltiesLn 15$0$0$0$0
OccupancyLn 16$0$0$0$0
TravelLn 17$251$251$0$0
Travel and entertainment for public officialsLn 18$0$0$0$0
Conferences, conventions and meetingsLn 19$442$442$0$0
InterestLn 20$0$0$0$0
Payments to affiliatesLn 21$0$0$0$0
Depreciation, depletion and amortizationLn 22$0$0$0$0
InsuranceLn 23$4K$2K$2K
Other expenses (24a–d)Ln 24$50K$50K$0$0
All other expensesLn 24e$14K$14K$0$0
Total functional expensesLn 25$279K$230K$49K$0

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2025 Latest Viewing $285K$279K$5K$447K 990 PDF
FY2024 $251K$290K−$40K$442K 990 PDF
FY2023 $230K$260K−$29K$482K 990 PDF
FY2022 $311K$232K$79K$511K 990 PDF
FY2021 $405K$238K$167K$432K 990 PDF
FY2020 $88K$256K 990 PDF

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Schedules filed Part IV

III · Programs R · Related orgs G · Fundraising L · Interested persons I · Grants A · Public support O · Explanations
See the full FY2025 990 (6 parts)
Part I · Summary $284,587 revenue, 12 lines filed
I-8 Contributions and grantsPrior year $89,873$124,492
I-9 Program service revenuePrior year $134,227$126,025
I-10 Investment incomePrior year $6,811$8,520
I-11 Other revenuePrior year $19,793$25,550
I-12 Total revenuePrior year $250,704$284,587
I-13 Grants and similar amounts paidPrior year $0$0
I-14 Benefits paid to membersPrior year $0$0
I-15 Salaries and benefitsPrior year $198,311$204,454
I-16a Professional fundraising feesPrior year $0$0
I-17 Other expensesPrior year $92,107$74,847
I-18 Total expensesPrior year $290,418$279,301
I-19 Revenue less expensesPrior year −$39,714$5,286
Part VI · Governance 9 of 9 board members independent, 1 to look at
VI-1a Voting members of the governing body9
VI-1b Independent voting members9
VI-2 Family or business relationship among officers or directorsYes
VI-12a Written conflict of interest policyYes
VI-13 Written whistleblower policyYes
VI-14 Document retention and destruction policyYes
VI-15a Process for setting top official's payYes
Part VIII · Statement of revenue $284,587 across 14 lines filed
VIII-1a Federated campaigns$0
VIII-1b Membership dues$0
VIII-1c Fundraising events$0
VIII-1d Related organizations$0
VIII-1e Government grants$31,050
VIII-1f All other contributions, gifts and grants$93,442
VIII-1g Noncash contributions (included above)$0
VIII-1h Total contributions, gifts and grants$124,492
VIII-2a-f Program service revenue, itemized rows (sum of 2a–2f as filed)Related to mission $126,025 · Unrelated business $0 · Excluded from tax $0$126,025
VIII-3 Investment incomeRelated to mission $8,520 · Unrelated business $0 · Excluded from tax $0$8,520
VIII-5 RoyaltiesRelated to mission $0 · Unrelated business $0 · Excluded from tax $0$0
VIII-6 Net rental income or lossRelated to mission $25,550 · Unrelated business $0 · Excluded from tax $0$25,550
VIII-7 Net gain or loss on sales of assetsRelated to mission $0 · Unrelated business $0 · Excluded from tax $0$0
VIII-12 Total revenueRelated to mission $160,095 · Unrelated business $0 · Excluded from tax $0$284,587
Part IX · Statement of functional expenses $279,301 across 31 lines filed
IX-1 Grants to domestic organizationsPrograms $0$0
IX-2 Grants to domestic individualsPrograms $0$0
IX-3 Grants and assistance to foreign recipientsPrograms $0$0
IX-4 Benefits paid to or for membersPrograms $0$0
IX-5 Pay of current officers, directors and key staffPrograms $30,000 · Management $31,511 · Fundraising $0$61,511
IX-6 Pay of disqualified personsPrograms $1,650 · Management $0 · Fundraising $0$1,650
IX-7 Other salaries and wagesPrograms $100,959 · Management $6,373 · Fundraising $0$107,332
IX-8 Pension plan contributionsPrograms $2,321 · Management $0 · Fundraising $0$2,321
IX-9 Other employee benefitsPrograms $9,155 · Management $843 · Fundraising $0$9,998
IX-10 Payroll taxesPrograms $17,964 · Management $3,678 · Fundraising $0$21,642
IX-11a Management feesPrograms $0 · Management $0 · Fundraising $0$0
IX-11b Legal feesPrograms $0 · Management $0 · Fundraising $0$0
IX-11c Accounting feesPrograms $0 · Management $2,297 · Fundraising $0$2,297
IX-11d Lobbying feesPrograms $0 · Management $0 · Fundraising $0$0
IX-11e Professional fundraising feesFundraising $0$0
IX-11f Investment management feesPrograms $0 · Management $0 · Fundraising $0$0
IX-11g Other fees for servicesPrograms $0 · Management $0 · Fundraising $0$0
IX-12 Advertising and promotionPrograms $1,218 · Management $0 · Fundraising $0$1,218
IX-13 Office expensesPrograms $0 · Management $1,481 · Fundraising $0$1,481
IX-14 Information technologyPrograms $0 · Management $1,471 · Fundraising $0$1,471
IX-15 RoyaltiesPrograms $0 · Management $0 · Fundraising $0$0
IX-16 OccupancyPrograms $0 · Management $0 · Fundraising $0$0
IX-17 TravelPrograms $251 · Management $0 · Fundraising $0$251
IX-18 Travel and entertainment for public officialsPrograms $0 · Management $0 · Fundraising $0$0
IX-19 Conferences, conventions and meetingsPrograms $442 · Management $0 · Fundraising $0$442
IX-20 InterestPrograms $0 · Management $0 · Fundraising $0$0
IX-21 Payments to affiliatesPrograms $0 · Management $0 · Fundraising $0$0
IX-22 Depreciation, depletion and amortizationPrograms $0 · Management $0 · Fundraising $0$0
IX-23 InsurancePrograms $1,972 · Management $1,697$3,669
IX-24 Other expenses (24a–d)Programs $50,240 · Management $0 · Fundraising $0$50,240
IX-24e All other expensesPrograms $13,778 · Management $0 · Fundraising $0$13,778
IX-25 Total functional expensesPrograms $229,950 · Management $49,351 · Fundraising $0$279,301
Part X · Balance sheet $447,412 assets, 16 lines filed
X-1 Cash, non-interest-bearingStart of year $8,199$31,318
X-2 Savings and temporary cash investmentsStart of year $156,288$141,244
X-3 Pledges and grants receivableStart of year $0$0
X-4 Accounts receivableStart of year $0$0
X-8 Inventories for sale or useStart of year $0$0
X-9 Prepaid expenses and deferred chargesStart of year $0$0
X-10c Land, buildings and equipment, netStart of year $277,639$274,850
X-16 Total assetsStart of year $442,126$447,412
X-17 Accounts payable and accrued expensesStart of year $0$0
X-18 Grants payableStart of year $0$0
X-19 Deferred revenueStart of year $0$0
X-20 Tax-exempt bond liabilitiesStart of year $0$0
X-24 Unsecured notes and loans payableStart of year $0$0
X-26 Total liabilitiesStart of year $0$0
X-32 Total net assets or fund balancesStart of year $442,126$447,412
X-33 Total liabilities and net assetsStart of year $442,126$447,412
Part XI · Reconciliation of net assets $447,412 net assets at year end
XI-1 Total revenue$284,587
XI-2 Total expenses$279,301
XI-3 Revenue less expenses$5,286
XI-4 Net assets at start of year$442,126
XI-5 Net unrealized gains (losses) on investments$0
XI-6 Donated services and use of facilities$0
XI-7 Investment expenses$0
XI-8 Prior period adjustments$0
XI-9 Other changes in net assets$0
XI-10 Net assets at end of year$447,412

Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File

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