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Nonprofit · EIN 82-0488252

CORNERSTONE CHRISTIAN SCHOOLS INC

Tax-exempt · LEWISTON, ID 83501

Financials

$400K$449K2023$454K$459K2024$491K$472K2025
Revenue Expenses · by fiscal year end
Financials of CORNERSTONE CHRISTIAN SCHOOLS INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$491,322$472,436$18,886$135,467$8,618$126,849
December 31, 2024990$454,132$459,090-$4,958$116,192$8,229$107,963
December 31, 2023990$400,212$448,686-$48,474$121,126$8,205$112,921
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$59,104
Program service revenue
$371,287
Investment income
$0
Net income from fundraising events
$60,931
Other revenue
$60,931

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$60,416
Other salaries and wages
$296,711
Salaries, compensation and benefits (total)
$357,127
Professional fundraising fees
$0
Legal fees
$26
Accounting fees
$2,370
Occupancy
$12,823
Depreciation
$5,399
Program services (functional)
$436,423
Management and general (functional)
$36,013

Balance sheet and other

Total assets, start of year
$116,192
Total assets, end of year
$135,467
Total liabilities, end of year
$8,618
Net assets, end of year
$126,849
Land, buildings and equipment
$27,061
Net assets without donor restrictions
$126,849
Gross receipts
$520,007
Employees
21
Volunteers
50
Year formed
1996
State of legal domicile
ID

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 December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Lynn RidingerPresident
Trustee or director, Officer
40$35,208
Christina KesslerSecretary
Trustee or director, Officer
40$25,208
Marvin KymVice President
Trustee or director, Officer
1$0
Cynthia KymTreasurer
Trustee or director, Officer
10$0
990 for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
Lynn RidingerPresident
Trustee or director, Officer
40$34,708
Christina KesslerSecretary
Trustee or director, Officer
40$31,788
Marvin KymVice President
Trustee or director, Officer
1$0
Cynthia KymTreasurer
Trustee or director, Officer
10$0
990 for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
Lynn RidingerPresident
Trustee or director, Officer
40$2,875
Christina KesslerSecretary
Trustee or director, Officer
40$2,502
Marvin KymVice President
Trustee or director, Officer
1$0
Cynthia KymTreasurer
Trustee or director, Officer
10$0

Address and contacts

Address (IRS master file)
808 17TH AVE, LEWISTON, ID 83501-3755
In care of
% CYNTHIA K KYM
Principal officer (990 for 2025)
Lynn Ridinger, 1809 Powers Dr, Lewiston, ID 83501
Signed the 990
Cynthia Kym, Treasurer
Phone
(208) 798-7149
Return prepared by
Lucas Company

Mission

Cornerstone Christian School is a private Christian elementary school serving grades kindergarten through 8th with this mission: God has called us to raise and educate our children in a Christian environment while extending this opportunity to other families who may have similar desires. Therefore, our intention is to provide Christ centered education with challenging academics in a manner conducive to this calling.

990 for the year ended December 31, 2025

Program accomplishments

  • Operated a Christian school for 107 students in the spring semester of academic year 2024-2025 and 112 students in the fall semester of academic year 2025-2026.
    Expenses $436,423 · revenue $491,322

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 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 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
82-0488252
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
School
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1996
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B20Z)
Assets (IRS master file)
$135,467
Income (IRS master file)
$520,007

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$491,322$472,436$135,467XML
990December 2024$454,132$459,090$116,192XML
990December 2023$400,212$448,686$121,126XML
990December 2022$461,853$436,776$169,697IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––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 82-0488252).

Questions about CORNERSTONE CHRISTIAN SCHOOLS INC

What is the EIN of CORNERSTONE CHRISTIAN SCHOOLS INC?
The employer identification number (EIN) of CORNERSTONE CHRISTIAN SCHOOLS INC is 82-0488252.
Is CORNERSTONE CHRISTIAN SCHOOLS INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to CORNERSTONE CHRISTIAN SCHOOLS INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CORNERSTONE CHRISTIAN SCHOOLS 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 CORNERSTONE CHRISTIAN SCHOOLS INC 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 CORNERSTONE CHRISTIAN SCHOOLS INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of CORNERSTONE CHRISTIAN SCHOOLS INC?
The 990 for the year ended December 31, 2025 names Lynn Ridinger.
Who are the officers and directors of CORNERSTONE CHRISTIAN SCHOOLS INC?
The 990 for the year ended December 31, 2025 lists 4 people; 2 received compensation from the organization, the highest $35,208 (Lynn Ridinger, President).
How much revenue does CORNERSTONE CHRISTIAN SCHOOLS INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $491,322, expenses of $472,436 and total assets of $135,467 at year end.

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