Core Charter Schools
To provide unique educational opportunities nurturing far-reaching success for students.
Core Charter Schools at a glance
In short: Core Charter Schools gave $136K across 1 grant in 2025 (avg $136K), mostly in California. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $136,456
- +43.9% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $136,456
- +43.9% vs 2024
- Median grant
- $136,456
- Total assets
- $9,727,912
- +14.1% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Core Charter Schools funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Aerostem Academy ($136K).
Grant Size Distribution
4 grants across all recorded years
The most common grant size was in the $50–100K range: 2 grants of 4 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $92K (2023) to $250K (2020). In 2025 it made 1 grant totaling $136K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Aerostem Academy Yuba City, CA | Career Tech Program Support | $136,456 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $9,727,912 | $9,460,449 | $8,812,718 | $136,456 | 1 | $114,769 |
| 2024 | $8,525,652 | $8,439,147 | $7,159,114 | $94,810 | 1 | $115,500 |
| 2023 | $7,418,374 | $7,288,708 | $6,575,520 | $92,039 | 1 | $38,507 |
| 2022 | $7,073,398 | $5,649,759 | $5,534,914 | — | — | $14,353 |
| 2021 | $5,959,825 | $5,856,432 | $5,106,081 | $170,298 | 1 | $24,217 |
| 2020 | $4,987,788 | $5,181,522 | $5,184,477 | $250,000 | 1 | $-17,051 |
| 2019 | $4,875,760 | $5,068,194 | $4,751,501 | — | — | $27,013 |
About Core Charter Schools
Based on IRS filings
Core Charter Schools is a public charity focused on Education, based in Marysville, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $9.7M in total assets. In 2025, it awarded 1 grant totaling $136K. Net investment income was $115K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Core Charter Schools is led by Chris Mahurin, Executive Director on every filing since 2019; 6 of 11 officers listed in 2025 are compensated.
Officers on the 2025 filing
Chris Mahurin
Executive Director
On filings since 2019
40 hrs/week
$119K (2019) → $214K (2025)
Heidi Lecair
President
Trustee → Secretary & Treasurer, 2020
Secretary & Treasurer → President, 2022
On filings since 2019
1 hr/week
$800 (2019) → $0 (2025)
Angela Choate
Operations Director
On filings since 2023
40 hrs/week
$110K (2023) → $131K (2025)
Melissa Rongley
School Director
On filings since 2024
40 hrs/week
$108K (2024) → $115K (2025)
Timothy Styczynski
Secretary & Treasurer
Trustee → Secretary & Treasurer, 2022
On filings since 2021
1 hr/week
$100 (2021) → $0 (2025)
Alessandra Apsley
Teacher
On filings since 2024
40 hrs/week
$109K (2024) → $110K (2025)
Katherine Berry
School Psychologist
On filings since 2024
40 hrs/week
$104K (2024) → $112K (2025)
Tracy Nelson
Teacher
On filings since 2024
40 hrs/week
$103K (2024) → $110K (2025)
Alberto Rolon
Member
Trustee → Member, 2025
On filings since 2022
1 hr/week
No compensation reported
David Heslop
Member
Trustee → Member, 2025
On filings since 2024
1 hr/week
No compensation reported
Jay Ansley
Member
Trustee → Member, 2025
On filings since 2024
1 hr/week
No compensation reported
Former officers (9)
- Former: Doug Heacock (2022–2023) — Trustee
- Former: Inderjit Deol (2022–2023) — Trustee
- Former: Kathy Kunde (2019–2022) — School Director
- Former: Erik Jens (2019–2021) — Trustee
- Former: Michael Bohmann (2019–2021) — President
- Former: James Ochsner (2020–2021) — Trustee
- Former: Pat Horton (2021) — Business Manager
- Former: Dorothy Rongley (2019) — Secretary & Treasurer
- Former: Terri Burroughs (2019) — Trustee
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $214K, to Chris Mahurin (Executive Director). 6 officers or directors reported compensation on that filing.
Frequently asked questions about Core Charter Schools
How much does Core Charter Schools give each year?
Core Charter Schools gave $136K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $95K across 1 grant.
How large is Core Charter Schools?
Core Charter Schools reported $9.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $9.5M.
What is Core Charter Schools?
Core Charter Schools is a public charity focused on Education, based in Marysville, CA. It holds $9.7M in total assets as of 2025.
Where does Core Charter Schools operate?
Core Charter Schools has awarded grants in California.
What is Core Charter Schools's EIN?
Core Charter Schools's EIN (Employer Identification Number) is 94-3353799. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS May 13, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 13, 2022)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 14, 2026)
- Added Form 990 for fiscal year 2019 (received by the IRS June 15, 2020)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Core Charter Schools funds
Education Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Core Charter Schools's focus areas in our free grants database
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