PTAs and PTOs in Harwinton, CT

1 tax-exempt PTAs and PTOs based in Harwinton, from IRS data.

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Parent-teacher group (PTA or PTO)

PTA Connecticut Congress

Harwinton, CT 06791

Tax-exempt since 2018 · EIN 06-1429768

Also in Harwinton

Licensed child care and after-school programs in Harwinton · Connecticut program rules

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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.