PTAs and PTOs in Lake Saint Louis, MO

1 tax-exempt PTAs and PTOs based in Lake Saint Louis, from IRS data.

By type

Amateur sports10 Children's and youth services2 Recreation and clubs2 Youth development1 PTA and PTO1

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Parent-teacher group (PTA or PTO)

Discovery Ridge Elementary PTO

Lake St Louis, MO 63367

Tax-exempt since 2011 · EIN 27-2693396

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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.