Charities United States Education Tamarack Waldorf School Inc
Tamarack Waldorf School Inc logo

Tamarack Waldorf School Inc

To provide an early childhood through 8th grade waldorf education to develop independent, critical thinkers with a strong sense of social responsibility

Education Milwaukee, WI EIN 391861906 · IRS Sign up to see website
Claim this charity
Ready to give?
100% goes to Tamarack Waldorf School Inc

GiveRadar doesn't take a cut. Donate directly on their site.

Make your donation
93
Integrity Assessment
Strong transparency
93/100 · methodology

About Tamarack Waldorf School Inc

Tamarack Waldorf School Inc is a education organization based in MILWAUKEE, United States. Annual revenue: $2.0 million. EIN: 391861906.

Founded
Headquarters
Milwaukee, WI
Foundation type
School (170(b)(1)(A)(ii))
NTEE code
B20Z
IRS subsection
501(c)(03)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1997

Mission

To provide an early childhood through 8th grade waldorf education to develop independent, critical thinkers with a strong sense of social responsibility

Focus areas & reach

· What they work on and where
📚 Education · NTEE B20Z
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.
SDG 4 SDG 4 · Quality Education Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all.

How it stacks up against peers

· vs. 8 similar education in United States
Program spending This charity: 85%
Peer average: 86%
CEO comp as % of revenue This charity: 2.28%
Peer average: 0.48%
Integrity Assessment This charity: 93
Peer average: 93

Red flags

· All clear
IRS revocation history
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Where every $1 goes

$0.85
Program expenses$0.85 ($1.9 million)
85% to programs beats the Charity Navigator "highly efficient" threshold (75%).

Common questions

· Auto-generated from filings + methodology

Tamarack Waldorf School Inc is a registered education nonprofit based in Milwaukee, WI, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1997 and has been operating for 29 years. Its EIN is 391861906. It has a GiveRadar Integrity Assessment of 93/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $2M in annual revenue. 50 officers and directors are publicly disclosed. No red flags have been detected.

Tamarack Waldorf School Inc has a GiveRadar Integrity Assessment of 93/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 93 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 85% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for education charities in United States is 93/100.

Tamarack Waldorf School Inc is located in Milwaukee, WI, United States. The organization was established in 1997 and has been active for 29 years.

Based on official tax filings, Tamarack Waldorf School Inc has $2M in annual revenue. It allocates 85% of expenses to programs and services. This is in line with the average of 86% for education charities in United States. Its revenue is below the peer average of $7M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Tamarack Waldorf School Inc is classified as a Education organization, registered in United States. It operates as a School (170(b)(1)(A)(ii)). By size, it is categorized as a medium organization. It has $2M in annual revenue. The organization has 50 disclosed officers and directors.

No red flags have been detected for Tamarack Waldorf School Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Tamarack Waldorf School Inc has a GiveRadar Integrity Assessment of 93/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 85% of expenses go to programs. The peer average is 86%. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Tamarack Waldorf School Inc is a education organization based in MILWAUKEE, United States. Annual revenue: $2.0 million. EIN: 391861906. Tamarack Waldorf School Inc is classified as a education organization registered in United States. The organization was founded in 1997.

Among education charities registered in United States: Tamarack Waldorf School Inc's GiveRadar Integrity Assessment of 93/100 is in line with the peer average of 93/100. It allocates 85% of expenses to programs, in line with the peer average of 86%. Its annual revenue of $2M is below the peer average of $7M.

Yes, donations to Tamarack Waldorf School Inc are generally tax-deductible in the United States. Tamarack Waldorf School Inc is a 501(c)(3) tax-exempt organization. Its EIN is 391861906, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 3 official sources, last refreshed .

Annual revenue
$1M-$10M
85% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021, FY2020.
Financial details are free - with a GiveRadar account

See 5 years of revenue, expense breakdowns, and balance sheet.

Sign up to view
Already have an account? Log in
No credit card · Takes 20 seconds

Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

MA
Maggie Herbst
President

Officers & trustees (17)

Source: Public filings

AN
Andrew S•••••••
TREASURER
CH
Cheryl R••••••••
FINANCIAL ADMINISTRATOR
DA
Daniel R••••••
Director
DE
Denise H•••••
SECRETARY
JE
Jen S•••••••
Director
JI
Jill H•••••
Director
KR
Kristin P••••••
Director
LO
Lora P•••••
ADMINISTRATOR
MA
Maggie H•••••
President
MA
Martha C••••
Director
MA
Martha F•••••
Director
MI
Michelle S••••••
Director
PH
Phil V••••
Director
RY
Ryan P••••••
Director
SE
Selwyn J•••••
Director
SU
Susie R••••••
PRESIDENT
WE
Wenoka S••••
Director
Full names, contact details & compensation

Free with an account.

Unlock

Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$2.3M revenue
FY2025
IRS_990
Form filed
$2.1M revenue
FY2024
IRS_990
Form filed
$2.0M revenue
FY2023
IRS_990
Form filed
$2.0M revenue
FY2022
IRS_990
Form filed
$1.9M revenue
FY2021
IRS_990
Form filed
$2.0M revenue
FY2020
IRS_990

No reviews yet. Be the first to share your experience.

Have you donated or volunteered here?

Share your experience - it takes 30 seconds. Verified reviews help other donors decide.

Sign up to write a review

Peer charities

Other education in United States, by integrity assessment

Charity Score Revenue Program %
Tamarack Waldorf School Inc This page 93 $2.3 million 85%
Lowell Whiteman School 93 $8.0 million 90%
Norman Howard School Inc 93 $6.0 million 86%
Monroe Christian School Society 93 $2.4 million 87%
Cypress School of San Francisco 93 $5.5 million 85%
Childrens Own School Inc 93 $1.8 million 85%
Cardinal Community Academy 93 $2.9 million 80%
Gentry Academy 93 $4.9 million 90%
Willow Hill School Inc 93 $4.9 million 89%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 50 disclosed in the public registry.

Data freshness

Last updated
Jun 12, 2026
Profile completeness
90%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Tamarack Waldorf School Inc

What is Tamarack Waldorf School Inc?
Tamarack Waldorf School Inc is a education school (170(b)(1)(a)(ii)) based in Milwaukee, United States. Tamarack Waldorf School Inc is a education organization based in MILWAUKEE, United States. Annual revenue: $2.0 million. EIN: 391861906.
When was Tamarack Waldorf School Inc founded?
Tamarack Waldorf School Inc was founded in 1997.
Who leads Tamarack Waldorf School Inc?
Maggie Herbst serves as President.
Where is Tamarack Waldorf School Inc located?
Headquartered in Milwaukee, United States.
What is Tamarack Waldorf School Inc's annual budget?
Annual revenue for fiscal year 2025 is approximately $1M-$10M. 85% of expenses go to program services.
Is Tamarack Waldorf School Inc trustworthy?
Tamarack Waldorf School Inc has a GiveRadar Integrity Assessment of 93 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Tamarack Waldorf School Inc's registration number?
IRS EIN: 391861906.
What is Tamarack Waldorf School Inc's website?
http://www.tamarackwaldorf.org