Mission
Charter school to provide education to students in grades K-12.
Public Charity
KOSON Schools dba STEM School Highlands Ranch
KOSON Schools dba STEM School Highlands Ranch is a Public Charity headquartered in Highlands Ranch, CO. Financial data from the 2025 filing: $21.7M revenue, $24.5M expenses, $15.8M total assets. 4 publicly reported grants to this organization, totaling roughly $135K, appear in IRS filings.
EIN: 274878116
Highlands Ranch, CO
Charter Schools
NTEE: B29
Latest filing: 2025
Total Revenue$21.7M
Total Expenses$24.5M
Total Assets$15.8M
Grant Records4
Funding Total$135K
Filing Years2021–2025
Where $100 goes at KOSON Schools dba STEM School Highlands Ranch
How KOSON Schools dba STEM School Highlands Ranch divides every $100 it spends, from its own Form 990 filings, averaged across 5 years.
$63
Programs
the work itself
$37
Management
running the organization
$0
Fundraising
none reported
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Inside the $63 for programs
$63
Provide education to approximately 1631 students in grades K-12 for approximately 1,700 - 1,850 students
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.
Sample Grants Received
New Community Driven School
$30,000
FOR GENERAL OPERATING SUPPORT
$30,000
TO ASSIST SCHOOL DISTRICTS IN BUILDING THE ORGANIZATIONAL CAPACITY IT NEEDS TO BE SUCCESSFUL IN THE LAUNCH AND SCALING OF YOUTH APPRENTICESHIPS
$50,000
TO ASSIST SCHOOL DISTRICTS IN BUILDING THE ORGANIZATIONAL CAPACITY IT NEEDS TO BE SUCCESSFUL IN THE LAUNCH AND SCALING OF YOUTH APPRENTICESHIPS
$25,000
Showing up to 5 of 4 total records — full history available with membership.
Officers & Directors
Board Member
Adelita Campbell
Elementary School Principal
Amie Mcelroy
Director of Human Resources
Brian Chaput
President/Chair
Carla Gustafson
Board Member
Cory Wroblewski
Treasurer
Darrell Lomelino
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $21.7M | $24.5M | $15.8M |
| 2024 | $21.0M | $19.4M | $19.0M |
| 2023 | $17.8M | $17.0M | $18.1M |
| 2022 | $18.4M | $16.7M | $17.2M |
| 2021 | $17.9M | $15.7M | $15.6M |
Between 2021 and 2025, reported annual revenue grew from $17.9M to $21.7M (+21%), with total assets most recently reported at $15.8M.
Interactive year-over-year charts and full filing details available with membership.