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Oak School Parent Organization

EIN 36-3798041 · Hinsdale, IL

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthNot ratedToo small or too little detailGovernanceGood71 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

Build a stronger school community between student, families, parents and staff. Ensure for every child the highest advantages of education through the united efforts of Oak School staff and student's parents.

Income
$196,053
Spending
$43,785
Spent on programs
87%
Reserves
Over 10 years of spending
Largest source of income
other income, 57%
Employees
0
Volunteers
168

Source: Form 990 for the year ending July 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.

Source: Form 990 for the year ending July 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Good: 71 out of 100. Higher than 65% of charities in its peer group (education, under $250k).

  • Independent board

    25 of 25

    8 of 8 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending July 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (3)
  1. $30,291 spent. These activities consist of parents and educators developing efforts such as staff and parent appreciation, parent educations information and programs, child health and safety programs, student educational enrichment, student leadership, emergency funds for needy students and hospitality activities which permit closer relationships between parents and teachers in the education of children. These programs benefit all students enrolled at Oak School.
  2. $7,675 spent. These strategic gifts consist of materials provided to enrich and develop the educational opportunities for children. These strategic gifts benefit all students enrolled at Oak School.
  3. Other program services including school gardens and grounds, staff lounge and staff appreciation.

Source: Form 990 for the year ending July 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending July 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since October 1995.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.