Public Charity

THE BIOME SCHOOL

THE BIOME SCHOOL is a nonprofit organization categorized as Public Charity based in SAINT LOUIS, MO. Its most recent IRS filing (2025) reports revenue of $4.1M, expenses of $3.7M, total assets of $1.3M. Imperigo tracks 34 reported grant relationships connected to this organization totaling approximately $2.5M.

EIN: 471100460 SAINT LOUIS, MO Charter Schools NTEE: B29 Latest filing: 2025
Total Revenue$4.1M
Total Expenses$3.7M
Total Assets$1.3M
Grant Records34
Funding Total$2.5M
Filing Years2021–2025

Mission

THE BIOME IS A NEW KIND OF K-5 SCHOOL, FOR THE NEXT GENERATION. ONE THAT OFFERS CUSTOMIZED, PROJECT-BASED AND STUDENT-CENTERED LEARNING OPPORTUNITIES WITH AN EMPHASIS ON A GROWTH MINDSET AND STEAM (SCIENCE, TECHNOLOGY, ENGINEERING, ART AND MATHEMATICS) EDUCATION. THE BIOME CHARTER SCHOOL CREATES A BALANCED LEARNING ECOSYSTEM IN WHICH TEACHERS WORK TOGETHER WITH STUDENTS TO CULTIVATE A GROWTH MINDSET AS THEY DISCOVER THEIR UNIQUE GIFTS, TALENTS, AND INTERESTS.

Where $100 goes at The Biome School

How The Biome School divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.

$82 Programs the work itself
$15 Management running the organization
$3 Fundraising raising the next dollar

Inside the $82 for programs

$82
The biome, a not-for-profit corporation, is an independent publicly supported charter school located in the metropolitan area of the st
All program spending
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

MEMBER Alex Head
MEMBER Alex Zaks
PRESIDENT/CEO Bill Kent Jr
CHAIR Brian Phillips
MEMBER Charles Walch
SECRETARY Ellen Moceri

Officer compensation and complete director data available with membership.

Top Grant Purposes

Education
$1,896,321 14 grants
General Support
$498,849 16 grants
Fundraising & Sponsorship
$96,250 3 grants
Unspecified
$10,000 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $4.1M $3.7M $1.3M
2024 $3.6M $3.8M $1.4M
2023 $3.6M $3.6M $1.6M
2022 $3.2M $3.2M $1.6M
2021 $3.1M $2.6M $1.2M

Between 2021 and 2025, reported annual revenue grew from $3.1M to $4.1M (+32%), with total assets most recently reported at $1.3M.

Interactive year-over-year charts and full filing details available with membership.

See the full picture for THE BIOME SCHOOL

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