Youth and community nonprofits / California / Petaluma

Parent-teacher group (PTA or PTO)

Dunham School Parent Teacher Organization

A tax-exempt nonprofit in Petaluma, California, classified by the IRS as parent-teacher group (pta or pto). For the year ending Jun 2023 it reported $60,161 in revenue and $39,900 in expenses.

Data as of November 8, 2026Markdown copyJSON data

What it says it does

“Provide resources and funds for maintaining and enriching the educational environment at dunham school.”From the organization's Form 990 for the year ending Jun 2023, as written (including spelling); all-capital text shown in normal capitalization.

IRS facts

Type: Parent-teacher group (PTA or PTO) (IRS activity code B94)

Mailing city (IRS): Petaluma, California 94952

EIN: 20-3746728

Tax status: 501(c)(3), eligible to receive tax-deductible donations; IRS-recognized as tax-exempt since 2006, per IRS records posted October 13, 2026.

Revenue on its latest IRS filing: $60,161 (year ending Jun 2023)

Check its status on IRS Tax Exempt Organization Search · Filings on ProPublica Nonprofit Explorer

Dunham School Parent Teacher Organization finances

From the annual returns the group files with the IRS (Form 990, or the shorter Form 990-EZ for smaller groups), 1 filed year. Net assets are what it owns minus what it owes; management and general is office, admin and insurance cost. A dash means not reported (the short form does not ask for employees or volunteers). Each figure links to that year's return. A year is left out when no return is in the IRS e-file data; that does not mean the group was inactive.

Revenue and expenses by yearJun 2023: revenue $60,161, expenses $39,900 Total revenueTotal expenses $60.2K$39.9KJun '23
Year endingJun 2023
Total revenue$60,161
Total expenses$39,900
Total assets$34,183
Liabilities$0
Net assets$34,183
Employees0
Volunteers0
IRS formForm 990

Where the money goes, year ending Jun 2023

Expense splitPrograms 91%, Management and general 9%

Where the money comes from, year ending Jun 2023

Revenue sourcesProgram fees 21%, Other 79%

People: 0 employees and 0 volunteers reported for the year ending Jun 2023. Counts only; BackPR does not publish names of officers or staff.

Only one return is loaded, so we show no growth label.

Source: IRS Form 990 Series Downloads (the returns open on ProPublica Nonprofit Explorer, which republishes the IRS files). Figures are as the organization filed them. California nonprofit.

How it compares

1 of 2 PTAs and PTOs in Petaluma when sorted from largest to smallest revenue. This shows size only, not quality. Groups with no reported revenue are listed last.

Size: revenue of $55,709 is higher than roughly 30 to 40% of the 674 PTAs and PTOs in California that report revenue to the IRS (the city count above also includes groups with none). The median is $77,557.

Revenue compared with similar groupsRevenue of $55,709 compared with PTAs and PTOs in California: the middle 80% earn between $21,554 and $277,228, the median is $77,557. 10th pct$21.6Kmedian$77.6K90th pct$277K This group $55.7K

Our analysis of the IRS Business Master File (posted October 13, 2026), using each group's latest reported revenue. Groups are sorted by revenue and split into ten equal bands, using all California groups of this type (PTA and PTO, which covers several IRS activity codes). Size only, not a rating.

Around Petaluma and its county

Marin County, California: the Census Bureau estimates about 47,838 children under 18 (July 1, 2024). This directory lists 184 youth and community nonprofits with a mailing ZIP code in the county, about 3.8 per 1,000 children. The count includes PTAs, arts and day care groups, so it is not a measure of places for kids.

This group's ZIP code is matched to the county that holds most of its area, so counts are approximate. County figures come from the Census Bureau's Vintage 2024 population estimates.

Licensed programs in Petaluma

24 licensed child care centers are in state licensing records and listed in the BackPR finder. The examples below are not related to this organization.

licensed child care center

4CS OLD ELM CHILD DEVELOPMENT CENTER

Petaluma, CA

State record

licensed child care center

4CS PETALUMA CHILD DEVELOPMENT CENTER

Petaluma, CA

State record

licensed child care center

A TO Z CHILDCARE CENTER

Petaluma, CA

State record

licensed child care center

ADOBE CHRISTIAN PRESCHOOL

Petaluma, CA

State record

licensed child care center

CHILDREN'S CORNER

Petaluma, CA

State record

licensed child care center

GAN ISRAEL PRESCHOOL

Petaluma, CA

State record

California background check rules for youth programs · How BackPR works for PTAs and PTOs

Questions about Dunham School Parent Teacher Organization

What is Dunham School Parent Teacher Organization's EIN?

Dunham School Parent Teacher Organization's EIN (Employer Identification Number) is 20-3746728. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

Is Dunham School Parent Teacher Organization a nonprofit?

Yes. The IRS lists Dunham School Parent Teacher Organization in Petaluma, California as tax-exempt under section 501(c)(3), recognized since 2006. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

Are donations to Dunham School Parent Teacher Organization tax-deductible?

Yes, the IRS lists gifts to Dunham School Parent Teacher Organization as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

What does Dunham School Parent Teacher Organization do?

In its own words on its Form 990 for the year ending Jun 2023: "Provide resources and funds for maintaining and enriching the educational environment at dunham school." The IRS classifies it as: Parent-teacher group (PTA or PTO).

How much money does Dunham School Parent Teacher Organization take in?

For the year ending Jun 2023, Dunham School Parent Teacher Organization reported total revenue of $60,161 and total expenses of $39,900 on its Form 990 (IRS Form 990 e-file data).

Do you run this organization?

You can add your programs, season dates, ages, prices, registration link and logo to this page, or ask us to remove it. BackPR's free plan for 501(c)(3)s handles online registration, payments, waivers and attendance. No subscription and no BackPR fee on what families pay (card processing fees from Stripe still apply).

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Free forms for PTAs and PTOs

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All youth and community nonprofits in Petaluma

Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.

Data as of November 8, 2026. Sources: IRS Business Master File (posted October 13, 2026), IRS Form 990 series e-file data, U.S. Census Bureau population estimates (July 1, 2024), state child care licensing records in the BackPR finder. Growth labels, ranks and percentiles are BackPR's own calculations.

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