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Nonprofit · EIN 36-2171680

AVERY COONLEY SCHOOL

Tax-exempt · DOWNERS GROVE, IL 60515

Financials

$11.7M$11.2M2022$12.1M$11.8M2023$12.7M$12.7M2024
Revenue Expenses · by fiscal year end
Financials of AVERY COONLEY SCHOOL by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$12,682,230$12,656,221$26,009$21,822,770$6,491,447$15,331,323
June 30, 2024990$12,127,858$11,804,367$323,491$19,590,764$4,732,202$14,858,562
June 30, 2023990$11,677,571$11,173,726$503,845$20,088,819$5,771,379$14,317,440
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$729,548
Program service revenue
$11,314,040
Investment income
$358,709
Net rental income
$85,668
Net gain from sales of assets
-$1,716
Net income from fundraising events
$67,409
Other revenue
$279,933

Expenses

Grants and similar amounts paid
$806,096
Compensation of officers, directors and key employees
$513,934
Other salaries and wages
$6,530,566
Salaries, compensation and benefits (total)
$8,538,740
Professional fundraising fees
$0
Legal fees
$169,308
Accounting fees
$74,038
Occupancy
$211,674
Depreciation
$908,683
Program services (functional)
$9,968,891
Management and general (functional)
$2,180,922
Fundraising (functional)
$506,408

Balance sheet and other

Total assets, start of year
$19,590,764
Total assets, end of year
$21,822,770
Total liabilities, end of year
$6,491,447
Net assets, end of year
$15,331,323
Land, buildings and equipment
$8,390,704
Publicly traded securities
$8,824,351
Net assets without donor restrictions
$12,033,767
Net assets with donor restrictions
$3,297,556
Gross receipts
$12,995,726
Employees
176
Volunteers
362
Year formed
1951
State of legal domicile
IL

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 / weekCompensationOther / benefits
Kirsty Montgomery PHDHead of Schhool
Trustee or director, Officer
40$307,381$53,540
Geraldine WhiteCFO
Officer
40$161,700$34,961
Kenny BaeDirector of Innovation and Sustainabilty
Highest-paid employee
40$130,332$30,922
Lee Ann LawlorDirector of Marketing & Communications
Highest-paid employee
40$119,864$37,927
Kristin TeagueDirector of Enrollment & Financial Aid
Highest-paid employee
40$104,012$35,041
Carolyn JohnsonDirector of Development &
Highest-paid employee
40$107,012$28,131
Kristin SabelSchool Nurse
Highest-paid employee
40$102,313$14,891
Nancy DorisTrustee
Trustee or director
0.5$0$0
William AtwoodTrustee
Trustee or director
0.5$0$0
Jeffrey ChenTrustee-Asst Treasurer
Trustee or director, Officer
1$0$0
Brian GilmartinTrustee
Trustee or director
0.5$0$0
Dr Raj GoyalTrustee
Trustee or director
0.5$0$0
Dr Jennifer ReenanTrustee-Vice-Chair
Trustee or director, Officer
1$0$0
Susan CorwithTrustee
Trustee or director
0.5$0$0
John HarrastTrustee
Trustee or director
0.5$0$0
9 more people on this return
NameTitleHours / weekCompensation
Gerald JablonskiTrustee- Treasurer
Trustee or director, Officer
1$0
Kevin PetersenTrustee
Trustee or director
0.5$0
Brendan SheehyTrustee-Past Chair
Trustee or director, Officer
1$0
Komilla ChawlaTrustee
Trustee or director
1$0
Prasad VeluchamyTrustee-Chair
Trustee or director, Officer
1$0
Lisa VaughanTrustee-Secretary
Trustee or director, Officer
1$0
Margery DavisTrustee
Trustee or director
0.5$0
Shilpa GokhaleTrustee-Asst Secretary
Trustee or director, Officer
1$0
Anna LenhardtTrustee
Trustee or director
0.5$0
990 for the year ended June 30, 2024: 20 people
NameTitleHours / weekCompensationOther / benefits
Kirsty Montgomery PHDHead of Schhool
Trustee or director, Officer
40$306,320$50,659
Carolyn JohnsonDirector of Development &
Highest-paid employee
40$109,126$22,698
Peter BrownCFO (replaced 7/23)
Officer
40$101,205$20,622
Nancy DorisTrustee
Trustee or director
1$0$0
William AtwoodTrustee
Trustee or director
0.5$0$0
Jeff ChenTrustee-Asst Treasurer
Trustee or director, Officer
1$0$0
Brian GilmartinTrustee
Trustee or director
0.5$0$0
Raj GoyalTrustee
Trustee or director
0.5$0$0
Jennifer ReenanTrustee-Vice-Chair
Trustee or director, Officer
1$0$0
Sue GouldTrustee
Trustee or director
0.5$0$0
RJ LopezTrustee
Trustee or director
0.5$0$0
John HarrastTrustee
Trustee or director
0.5$0$0
Gerald JablonskiTrustee- Treasurer
Trustee or director, Officer
1$0$0
Kevin PetersenTrustee
Trustee or director
0.5$0$0
Brendan SheehyTrustee-Past Chair
Trustee or director, Officer
1$0$0
Julie SwinehartTrustee
Trustee or director
1$0$0
Prasad VeluchamyTrustee-Chair
Trustee or director, Officer
1$0$0
Lisa VaughanTrustee-Secretary
Trustee or director, Officer
1$0$0
Margery DavisTrustee
Trustee or director
0.5$0$0
Shilpa GokhaleTrustee-Asst Secretary
Trustee or director, Officer
1$0$0
990 for the year ended June 30, 2023: 23 people
NameTitleHours / weekCompensationOther / benefits
Kirsty Montgomery PHDHead of Schhool
Trustee or director, Officer
40$211,967$24,995
Peter BrownCFO
Officer
40$168,650$39,870
Paul DruzinskyFormer Headmaster
Former
40$140,713$13,482
Lisa WiltzLower School Head
Highest-paid employee
40$109,137$25,237
Carolyn JohnsonDirector of Development &
Highest-paid employee
40$105,823$20,829
Kathy GalloComptroller
Highest-paid employee
40$102,695$18,457
Nancy DorisTrustee
Trustee or director
1$0$0
William AtwoodTrustee
Trustee or director
0.5$0$0
Jeff ChenTrustee-Asst Treasurer
Trustee or director, Officer
1$0$0
Brian GilmartinTrustee
Trustee or director
0.5$0$0
Raj GoyalTrustee
Trustee or director
0.5$0$0
Jennifer ReenanTrustee-Vice-Chair
Trustee or director, Officer
1$0$0
Sue GouldTrustee
Trustee or director
0.5$0$0
Jacqueline GuptaTrustee
Trustee or director
0.5$0$0
John HarrastTrustee
Trustee or director
0.5$0$0
Gerald JablonskiTrustee- Treasurer
Trustee or director, Officer
1$0$0
Kevin PetersenTrustee
Trustee or director
0.5$0$0
Brendan SheehyTrustee-Past Chair
Trustee or director, Officer
1$0$0
Julie SwinehartTrustee
Trustee or director
1$0$0
Prasad VeluchamyTrustee
Trustee or director
1$0$0
Lisa VaughanTrustee-Asst Secretary
Trustee or director, Officer
1$0$0
Margery DavisTrustee
Trustee or director
0.5$0$0
Shilpa GokhaleTrustee
Trustee or director
0.5$0$0

Address and contacts

Address (IRS master file)
1400 MAPLE AVE, DOWNERS GROVE, IL 60515-4828
Principal officer (990 for 2024)
Kirsty Montgomery PHD, 1400 Maple Ave, Downers Grove, IL 60515
Signed the 990
Kirsty Montgomery PHD, Head of School
Phone
(630) 969-0800
Return prepared by
DESMOND & AHERN LTD

Mission

The Avery Coonley School elevates high-achieving and gifted learners through immersion in a mutually talented community where intellect, curiosity, and creativity are enhanced by optimal challenge.

990 for the year ended June 30, 2025

Program accomplishments

  • Avery Coonley School (ACS) is an elementary school (junior kindergarten through 8th grade) for gifted and academically advanced students. ACS has been kindling the minds of these learners for over 100 years. ACS is a place where gifted students collaborate with peers who are equally curious, energized by each other's creativity, and enjoy academic challenge all day. ACS provides the opportunity to delve deeper into a plethora of topics with highly skilled teachers, and the opportunity to interact every day with other children who are academically advanced, providing an incredibly rich environment for social, emotional, and academic development. All faculty engage in extensive professional development. They have presented and conducted trainings across the United States on everything from gifted education to integrating educational technology into the curriculum. In addition, ACS offers a thriving summer program. Students choose from more than 130 exciting and enriching offerings open to children in preschool through eighth grade. Academically and physically challenging courses and an individualized hands-on approach are hallmarks of the ACS summer program.
    Expenses $9,968,891 · grants $806,096 · revenue $11,440,896

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
36-2171680
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
1935
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$21,822,770
Income (IRS master file)
$12,995,726

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$12,682,230$12,656,221$21,822,770IRS
990June 2024$12,127,858$11,804,367$19,590,764IRS
990June 2023$11,677,571$11,173,726$20,088,819IRS
990June 2022$10,214,610$9,943,906$18,999,451IRS
990June 2021–––IRS
990June 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 36-2171680).

Questions about AVERY COONLEY SCHOOL

What is the EIN of AVERY COONLEY SCHOOL?
The employer identification number (EIN) of AVERY COONLEY SCHOOL is 36-2171680.
Is AVERY COONLEY SCHOOL tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1935.
Are donations to AVERY COONLEY SCHOOL tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AVERY COONLEY 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 AVERY COONLEY SCHOOL 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 AVERY COONLEY SCHOOL 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 AVERY COONLEY SCHOOL?
The 990 for the year ended June 30, 2025 names Kirsty Montgomery PHD.
Who are the officers and directors of AVERY COONLEY SCHOOL?
The 990 for the year ended June 30, 2025 lists 24 people; 7 received compensation from the organization, the highest $307,381 (Kirsty Montgomery PHD, Head of Schhool).
How much revenue does AVERY COONLEY SCHOOL have?
On its 990 for the year ended June 30, 2025 it reported revenue of $12,682,230, expenses of $12,656,221 and total assets of $21,822,770 at year end.

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