Mountain Middle School (mms or the School), a colorado non-profit corporation, was created in 2009 pursuant to the colorado charter schools act to form and operate a charter School located in durango, colorado. In 2011 the School entered into a contract with the colorado charter School institute (the institute) to authorize the School for an initial term of three years, to june 30, 2014. The School began operations in august, 2011. In 2016, the School received csi approval for a five year charter contract that goes through july 1, 2021.

501(c)(3) charity; gifts are tax-deductible.
63¢ of each $1 spent went to programs.
Run by 25 volunteers and 28 employees.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · People: Part I, lines 5–6

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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
5 of 5
filings with a surplus
Average surplus $779K a year · 17% of revenue · last 5 filings
Looks good: a surplus in 5 of the last 5 filings.
Pt I · Ln 19 · 5 filings
Spent on programs
63%
of spending
Worth a look: 63% of spending went to programs; under 65%.
Pt IX · Ln 25 · col B
9 mo
of spending, in cash
Looks good: 9.4 months of spending in cash; 3 or more.
Pt X · Ln 1–2 · Pt I · Ln 18
Named funders
2
named funders · $13K
Fine: 2 funders name it on their filings; under 3.
Funders’ Sch. I, 990-PF
Liabilities
$4.5M
81% of total assets
Concern: liabilities are 81% of assets; over 80%.
Pt X · Ln 26
Independent board members
5
of 5 voting members
Looks good: 5 of 5 voting members are independent, a majority.
Pt VI · Ln 1a–1b
Looks goodFineWorth a lookConcernNo data yetTap a box for the reason.
Revenue
$5.5M
+11% vs prior year
Spent
$5.2M
To programs
63%
Net assets
$1.0M
By yearFY2021–FY2025
Revenue
$5.5M
FY2025▲ +11%
Tap a bar for its year
Revenue by fiscal year
FY2021$2.9M
FY2022$5.6M
FY2023$4.4M
FY2024$4.9M
FY2025$5.5M
Expenses
$5.2M
FY2025▲ +20%
Tap a bar for its year
Expenses by fiscal year
FY2021$2.3M
FY2022$4.4M
FY2023$3.4M
FY2024$4.3M
FY2025$5.2M
Net assets
$1.0M
FY2025▲ +47%
Tap a bar for its year
Net assets by fiscal year
FY2021−$2.2M
FY2022−$965K
FY2023$48K
FY2024$692K
FY2025$1.0M

From the FY2025 Form 990 (year ending June 2025) · figures checked against the IRS filing · see the original

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Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Jul 2011.

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

Where the money goes

63 cents of each dollar spent went to programs.

Program services 63% · $3.2M Management & general 37% · $1.9M

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

5 people listed on the 990.

Part VII, Section A · reportable compensation · most recent filed roster (FY2024); the FY2025 filing did not itemize Part VII
$0Pt VII · Sec A
Vice Pres/Se
$0Pt VII · Sec A
Treasurer
$0Pt VII · Sec A
Member
$0Pt VII · Sec A
$0Pt VII · Sec A
See Mountain Middle 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 2No
  • Top official's pay set by an independent reviewPt VI · Ln 15aYes

Programs and updates

Operates a public charter middle school in Durango, Colorado, serving students.

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1 program · $3.2M · in their own filed words · FY2024
01

2024-2025 accomplishments: mountain middle school, a project-based learning charter school, served 364 students in grades 4-8 in durango, colorado. The school year 2024/25 was the fourteenth year of operation for MMS.

$3.2Mprogram expense

Funders

Who pays for it.

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

Grants

Schedule I · received and paid
Grants received · FY2024
Total grants receivedfrom 2 funders$13K
Grants paid · 5 grants · $3.5M · 2020–2024

By the numbers

The FY2025 990, line by line.

1The main four
Money inPt VIII
$5.5M
Ln 12
Other incomeLn 4–11$4.8M
Gifts and grantsLn 1h$350K
Fees for servicesLn 2g$159K
Money outPt IX
$5.2M
Ln 25
Programscol B$3.2M
Managementcol C$1.9M
Owns and owesPt X
$1.0M
net assets · Ln 32
Cash and savingsLn 1–2$4.0M
Total assetsLn 16$5.5M
LiabilitiesLn 26$4.5M
PeoplePt VI, VII
5
listed · VII A
PaidVII A0
Voting boardVI 1a5
IndependentVI 1b5
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$350K
Government grantsLn 1e$347K
Fees for servicesLn 2g$159K
Investment incomeLn 3$151K
Other incomeLn 4–11$4.8M
Gains on assetsLn 7−$1K
Total revenueLn 12$5.5M
Assets in detailPt X, end of year
SavingsLn 2$4.0M
Cash and savings togetherLn 1–2$4.0M
Land, buildings, equipmentLn 10c$270K
Other assetsLn 15$1.1M
Total assetsLn 16$5.5M
LiabilitiesLn 26$4.5M
Net assetsLn 32$1.0M
OperationsPt I, VI
EmployeesI 528
VolunteersI 625
Fiscal year endsHeaderJune
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$3.4M$4.0M
Land, buildings, equipmentLn 10c$348K$270K
Total assetsLn 16$5.4M$5.5M
LiabilitiesLn 26$4.7M$4.5M
Net assetsLn 32$692K$1.0M
4Every line
Statement of functional expensesPt IX · every line
LineTotalProgramsManagementFundraising
Grants to domestic organizationsLn 1$388K$388K
Other salaries and wagesLn 7$2.4M$1.5M$854K
Other employee benefitsLn 9$325K$228K$96K
Payroll taxesLn 10$672K$447K$226K
Legal feesLn 11b$5K$5K
Accounting feesLn 11c$20K$20K
Other fees for servicesLn 11g$320K$222K$98K
Advertising and promotionLn 12$535$535
Office expensesLn 13$41K$41K
OccupancyLn 16$260K$260K
TravelLn 17$68K$68K
Depreciation, depletion and amortizationLn 22$78K$11K$67K
InsuranceLn 23$56K$56K
Other expenses (24a–d)Ln 24$546K$420K$126K
All other expensesLn 24e$12K$12K
Total functional expensesLn 25$5.2M$3.2M$1.9M$0

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2025 Latest Viewing $5.5M$5.2M$326K$1.0M 990 PDF
FY2024 $4.9M$4.3M$644K$692K 990 PDF
FY2023 $4.4M$3.4M$1.0M$48K 990 PDF
FY2022 $5.6M$4.4M$1.3M−$965K 990 PDF
FY2021 $2.9M$2.3M$660K−$2.2M 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 $5,487,468 revenue, 12 lines filed
I-8 Contributions and grantsPrior year $339,563$349,766
I-9 Program service revenuePrior year $142,546$158,782
I-10 Investment incomePrior year $118,476$150,569
I-11 Other revenuePrior year $4,332,355$4,828,351
I-12 Total revenuePrior year $4,932,940$5,487,468
I-13 Grants and similar amounts paidPrior year $99,000$387,966
I-14 Benefits paid to members$0
I-15 Salaries and benefitsPrior year $2,841,538$3,365,580
I-16a Professional fundraising fees$0
I-17 Other expensesPrior year $1,348,036$1,407,645
I-18 Total expensesPrior year $4,288,574$5,161,191
I-19 Revenue less expensesPrior year $644,366$326,277
Part VI · Governance 5 of 5 board members independent, no flags
VI-1a Voting members of the governing body5
VI-1b Independent voting members5
VI-2 Family or business relationship among officers or directorsNo
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 $5,487,468 across 8 lines filed
Lines not itemized here account for $823 of total revenue; see the IRS return.
VIII-1e Government grants$347,455
VIII-1f All other contributions, gifts and grants$2,311
VIII-1h Total contributions, gifts and grants$349,766
VIII-2a-f Program service revenue, itemized rows (sum of 2a–2f as filed)Related to mission $158,782$158,782
VIII-3 Investment incomeRelated to mission $151,576$151,576
VIII-7 Net gain or loss on sales of assetsRelated to mission −$1,007−$1,007
VIII-11a-d Other revenue, itemized rows (sum of 11a–11d as filed)Related to mission $4,827,528$4,827,528
VIII-12 Total revenueRelated to mission $5,137,702$5,487,468
Part IX · Statement of functional expenses $5,161,191 across 15 lines filed
IX-1 Grants to domestic organizationsPrograms $387,966$387,966
IX-7 Other salaries and wagesPrograms $1,514,310 · Management $854,363$2,368,673
IX-9 Other employee benefitsPrograms $228,137 · Management $96,378$324,515
IX-10 Payroll taxesPrograms $446,511 · Management $225,881$672,392
IX-11b Legal feesManagement $4,530$4,530
IX-11c Accounting feesManagement $20,042$20,042
IX-11g Other fees for servicesPrograms $222,277 · Management $98,047$320,324
IX-12 Advertising and promotionManagement $535$535
IX-13 Office expensesManagement $41,476$41,476
IX-16 OccupancyManagement $260,000$260,000
IX-17 TravelManagement $68,321$68,321
IX-22 Depreciation, depletion and amortizationPrograms $10,538 · Management $67,317$77,855
IX-23 InsuranceManagement $56,447$56,447
IX-24 Other expenses (24a–d)Programs $420,265 · Management $126,029$546,294
IX-24e All other expensesManagement $11,821$11,821
IX-25 Total functional expensesPrograms $3,230,004 · Management $1,931,187 · Fundraising $0$5,161,191
Part X · Balance sheet $5,501,067 assets, 14 lines filed
X-2 Savings and temporary cash investmentsStart of year $3,424,069$4,049,647
X-4 Accounts receivableStart of year $111,968$83,588
X-9 Prepaid expenses and deferred chargesStart of year $25,544$21,490
X-10c Land, buildings and equipment, netStart of year $348,376$269,514
X-15 Other assetsStart of year $1,511,075$1,076,828
X-16 Total assetsStart of year $5,421,032$5,501,067
X-17 Accounts payable and accrued expensesStart of year $7,061$20,886
X-19 Deferred revenueStart of year $26,869$25,126
X-25 Other liabilitiesStart of year $4,694,644$4,436,320
X-26 Total liabilitiesStart of year $4,728,574$4,482,332
X-27 Net assets without donor restrictionsStart of year $184,069$555,721
X-28 Net assets with donor restrictionsStart of year $508,389$463,014
X-32 Total net assets or fund balancesStart of year $692,458$1,018,735
X-33 Total liabilities and net assetsStart of year $5,421,032$5,501,067
Part XI · Reconciliation of net assets $1,018,735 net assets at year end
XI-1 Total revenue$5,487,468
XI-2 Total expenses$5,161,191
XI-3 Revenue less expenses$326,277
XI-4 Net assets at start of year$692,458
XI-10 Net assets at end of year$1,018,735

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

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