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Stem on Wheels

EIN 93-2723534 · Saint Louis, MO

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

LegitimacyPassesRegistration and standingFinancial healthFair57 out of 100GovernanceNot ratedThe short tax form does not cover thisImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

At STEM ON Wheels our mission is to narrow the opportunity divide in STEM education by offering inclusive top-tier programming to underserved communities throughout St. Louis. We are dedicated to breaking down barriers and ensuring that all individuals regardless of background or circumstance have access to the transformative power of STEM learning. Through our immersive hands-on programs and personalized mentorship initiatives we strive to do more than just educate; we aim to ignite a passion for innovation problem-solving and leadership in every participant. By providing engaging experiences and fostering supportive relationships we empower individuals to not only excel academically but also to envision themselves as active contributors to the ever-evolving landscape of STEM. Our commitment extends beyond the classroom walls. We recognize the importance of nurturing talent at every stage of development which is why we offer ongoing support and guidance to our participants.

Income
$76,404
Spending
$73,880
Reserves
3.4 months of spending
Largest source of income
fees for its services, 82%

Source: Form 990EZ for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 57 out of 100. Higher than 26% of charities in its peer group (science, under $250k).

  • Reserves

    20 of 35

    Spendable reserves would cover 3.4 months of spending.

  • Debt

    5 of 20

    It owes 65% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 3% of income.

Source: Form 990EZ for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

This organization files the short tax form, which does not ask about boards, policies or audits. That is normal for a small charity and is not a mark against it.

Source: Form 990EZ for the year ending December 31, 2024, 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. $62,000 spent. .Program Title: STEM on Wheels Mind & TECH: STEM Empowerment After-School During the reporting year the organization provided impactful remote STEM learning sessions and operated the Mind & TECH: STEM Empowerment After-School program serving over 100 students in grades pk-8 throughout the St. Louis STL community. These initiatives were designed to expand access to hands-on experiential STEM learning in economically disadvantaged areas. Students participated in a variety of engaging standards-aligned STEM lessons including LED lighting and circuits block-based coding drone operation and an introduction to aviation via flight simulation. Programs were delivered both virtually and on-site to ensure accessibility regardless of transportation or location constraints. Program services were supported by approximately $75,000 in expenses covering instructional materials staff facilitation mobile and remote learning equipment and digital platform infrastructure. These services
  2. $9,100 spent. Completed LED Lighting Introduction to Block Coding Robotics Drone Theory and Operation and Introduction to Aviation.
  3. $900 spent. LED LIGHT Workshop

Source: Form 990EZ for the year ending December 31, 2024, 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 November 6, 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 December 2024.

    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 September 2023.

    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 November 4, 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.