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Nonprofit · EIN 93-1251787

TEACHERS DEVELOPMENT GROUP

Tax-exempt · PORTLAND, OR 97202

Financials

$3.6M$2.9M2022$2.9M$3M2023$2.1M$2.5M2024
Revenue Expenses · by fiscal year end
Financials of TEACHERS DEVELOPMENT GROUP by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$2,116,447$2,549,075-$432,628$1,452,386$428,409$1,023,977
September 30, 2024990$2,888,434$3,005,480-$117,046$1,952,921$496,316$1,456,605
September 30, 2023990$3,564,516$2,909,341$655,175$2,057,350$483,699$1,573,651
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$490,635
of which government grants
$490,635
Program service revenue
$1,604,613
Investment income
$21,199
Other revenue
$0

Expenses

Grants and similar amounts paid
$298,664
Compensation of officers, directors and key employees
$531,530
Other salaries and wages
$784,743
Salaries, compensation and benefits (total)
$1,473,797
Professional fundraising fees
$0
Accounting fees
$69,044
Occupancy
$51,973
Depreciation
$7,744
Program services (functional)
$2,208,659
Management and general (functional)
$340,416

Balance sheet and other

Total assets, start of year
$1,952,921
Total assets, end of year
$1,452,386
Total liabilities, end of year
$428,409
Net assets, end of year
$1,023,977
Land, buildings and equipment
$21,295
Net assets without donor restrictions
$1,023,977
Gross receipts
$2,116,447
Employees
46
Volunteers
4
Year formed
1998
State of legal domicile
OR

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 September 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
RUTH HEATONMEMBER AND CEO
Trustee or director, Officer
40$195,476$35,942
JILL BOARDPAST CHAIR AND ED OF PROGRAMS
Trustee or director, Officer
40$162,849$32,020
KATHY PFAENDLERMEMBER AND PROF. DEV. SPEC
Trustee or director
40$57,210$0
CATHY MARTINPAST VICE CHAIR
Trustee or director, Officer
1$8,550$0
ROBERT BERRYCHAIR
Trustee or director, Officer
1$0$0
RICHARD VELASCOVICE CHAIR AND TREASURER
Trustee or director, Officer
1$0$0
DEBORAH LOWENBERG BALLSECRETARY
Trustee or director, Officer
1$0$0
MARIELLE MYERSMEMBER
Trustee or director
1$0$0
990 for the year ended September 30, 2024: 8 people
NameTitleHours / weekCompensationOther / benefits
RUTH HEATONMEMBER AND CEO
Trustee or director, Officer
40$176,150$34,980
JILL BOARDCHAIR AND ED OF PROGRAMS
Trustee or director, Officer
40$163,327$30,450
KATHY PFAENDLERMEMBER AND PROF. DEV. SPEC
Trustee or director, Officer
40$83,740$0
CATHY MARTINVICE CHAIR
Trustee or director, Officer
1$5,700$0
ROBERT BERRYRECORDING SECRETARY
Trustee or director, Officer
1$0$0
DEBORAH LOEWENBERG BALLMEMBER
Trustee or director
1$0$0
RICHARD VELASCOMEMBER
Trustee or director
1$0$0
MARIELLE MYERSMEMBER
Trustee or director
1$0$0
990 for the year ended September 30, 2023: 8 people
NameTitleHours / weekCompensationOther / benefits
RUTH HEATONMEMBER AND CEO
Trustee or director, Officer
40$187,063$32,987
JILL BOARDCHAIR AND ED OF PROGRAMS
Trustee or director, Officer
40$141,169$27,994
KATHY PFAENDLERMEMBER AND PROF. DEV. SPEC
Trustee or director, Officer
40$85,990$0
CATHY MARTINVICE CHAIR
Trustee or director, Officer
1$0$0
ROBERT BERRYRECORDING SECRETARY
Trustee or director, Officer
1$0$0
DEBORAH LOEWENBERGMEMBER
Trustee or director
1$0$0
RICHARD VELASCOMEMBER
Trustee or director
1$0$0
MARRIELLE MYERSMEMBER
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
2505 SE 11TH AVE STE 313, PORTLAND, OR 97202-1063
In care of
% RUTH HEATON CEO
Principal officer (990 for 2024)
RUTH HEATON, 2505 SE 11TH AVE 313, PORTLAND, OR 97202
Signed the 990
RUTH HEATON, CEO
Phone
(503) 650-1914
Return prepared by
APRIO ADVISORY GROUP LLC

Mission

TEACHERS DEVELOPMENT GROUP IS DEDICATED TO IMPROVING ALL STUDENTS' MATHEMATICAL UNDERSTANDING AND ACHIEVEMENT THROUGH MEANINGFUL, EFFECTIVE PROFESSIONAL DEVELOPMENT FOR TEACHERS AND SCHOOL LEADERS.

990 for the year ended September 30, 2025

Program accomplishments

  • DURING THE YEAR ENDED SEPTEMBER 30, 2025, TEACHERS DEVELOPMENT GROUP PROVIDED INDIVIDUALIZED MATHEMATICS PROFESSIONAL DEVELOPMENT FOR 40 SCHOOL DISTRICTS THROUGHOUT THE UNITED STATES. TEACHERS DEVELOPMENT GROUP IS ALSO CURRENTLY DEVELOPING AND STUDYING INNOVATIVE APPROACHES TO PROFESSIONAL LEARNING IN MATHEMATICS EDUCATION WITH COLLABORATORS AROUND THE UNITED STATES IN THE CONTEXT OF THREE FEDERAL AND PRIVATE FOUNDATION GRANTS.
    Expenses $2,208,659 · grants $298,664 · revenue $1,604,613

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

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990 on file
2023September 30, 2024February 18, 2025990 on file

IRS record

EIN
93-1251787
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1999
Accounting year ends
September
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B03)
Assets (IRS master file)
$1,452,386
Income (IRS master file)
$2,116,447

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$2,116,447$2,549,075$1,452,386XML
990September 2024$2,888,434$3,005,480$1,952,921XML
990September 2023$3,564,516$2,909,341$2,057,350XML
990September 2022$1,914,246$2,005,617$1,315,965IRS
990September 2021–––IRS
990September 2020–––IRS
990September 2019–––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 93-1251787).

Questions about TEACHERS DEVELOPMENT GROUP

What is the EIN of TEACHERS DEVELOPMENT GROUP?
The employer identification number (EIN) of TEACHERS DEVELOPMENT GROUP is 93-1251787.
Is TEACHERS DEVELOPMENT GROUP tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
Are donations to TEACHERS DEVELOPMENT GROUP tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does TEACHERS DEVELOPMENT GROUP 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 TEACHERS DEVELOPMENT GROUP due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did TEACHERS DEVELOPMENT GROUP last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of TEACHERS DEVELOPMENT GROUP?
The 990 for the year ended September 30, 2025 names RUTH HEATON.
Who are the officers and directors of TEACHERS DEVELOPMENT GROUP?
The 990 for the year ended September 30, 2025 lists 8 people; 4 received compensation from the organization, the highest $195,476 (RUTH HEATON, MEMBER AND CEO).
How much revenue does TEACHERS DEVELOPMENT GROUP have?
On its 990 for the year ended September 30, 2025 it reported revenue of $2,116,447, expenses of $2,549,075 and total assets of $1,452,386 at year end.

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