Estancia & Tewinkle Schools Foundation

Private foundation · Grantmaker Costa Mesa, CA EIN: 14-1896442

Estancia & Tewinkle Schools Foundation is a private foundation, based in Costa Mesa, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.0M in total assets. In 2025, it awarded 2 grants totaling $85K. Net investment income was $62K.

Estancia & Tewinkle Schools Foundation at a glance

In short: Estancia & Tewinkle Schools Foundation gave $85K across 2 grants in 2025 (avg $43K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$85,344
+66.3% vs 2024
Grants made (2025)
2
+0.0% vs 2024
Average grant
$42,672
+66.3% vs 2024
Median grant
$42,672
Total assets
$1,035,735
+1.7% vs 2024
Primary geography
California (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who Estancia & Tewinkle Schools Foundation funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Estancia High School: $52KEstancia High School$52KTewinkle Middle School: $34KTewinkle Middle School$34K

The largest 2025 recipient was Estancia High School ($52K). Together the top 2 received $85K.

Grant Size Distribution

11 grants across all recorded years

10<$50K1$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 10 grants of 11 (91%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 2 itemized grants.

States

Cities

Costa Mesa

How Estancia & Tewinkle Schools Foundation gives

  • Giving grew 26% from 2022 to 2025. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$25K$50K$75K$100K3 grants2021 2 grants2022 2 grants2023 2 grants2024 2 grants2025

From 2021 to 2025, annual grant giving ranged from $51K (2024) to $85K (2025). In 2025 it made 2 grants totaling $85K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Estancia High School Costa Mesa, CAScholarships for ap tests, and support for sports boosters and affiliates.$51,626
Tewinkle Middle School Costa Mesa, CAProvide Educational Support, Supplies and Testing Scholarships.$33,718
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment Income
2025$1,035,735$70,570$100,530$85,3442$85,344$61,751
2024$1,017,996$42,008$70,580$51,3242$51,324$32,985
2023$1,139,008$47,114$66,734$53,5002$53,500$37,953
2022$1,086,387$62,701$80,525$67,6102$67,610$47,487
2021$1,056,253$53,810$85,318$73,0003—$32,518

Leadership & Key People

Officers and directors from IRS filings

Estancia & Tewinkle Schools Foundation is led by Jennifer Knapp, President on every filing since 2021; none of the 10 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Jennifer Knapp

    President

    On filings since 2021

    1 hr/week

    No compensation reported

  • Ann Lyons

    Board Member

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • Cathi Hartwell

    Board Member

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • Chris Ray

    Board Member

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • Hydee Beth

    Secretary

    Vice President → Secretary, 2022

    On filings since 2021

    1 hr/week

    No compensation reported

  • Karen Barloon

    Vice President

    Secretary → Vice President, 2022

    On filings since 2021

    1 hr/week

    No compensation reported

  • Linda Tenno

    Board Member

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • Michele Graham

    Board Member

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • Robin Mensinger

    Board Member

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • William Thorpe

    Treasurer

    On filings since 2021

    1.5 hrs/week

    No compensation reported

Former officers (3)
  • Former: Dave Goodman (2021–2023) — Board Member
  • Former: Dianna Armand (2021–2023) — Board Member
  • Former: John Jason (2021–2023) — Board Member

Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Estancia & Tewinkle Schools Foundation

How much does Estancia & Tewinkle Schools Foundation give each year?

Estancia & Tewinkle Schools Foundation gave $85K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $51K across 2 grants.

How large is Estancia & Tewinkle Schools Foundation?

Estancia & Tewinkle Schools Foundation reported $1.0M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $71K.

Where does Estancia & Tewinkle Schools Foundation operate?

Estancia & Tewinkle Schools Foundation has awarded grants in California.

What is Estancia & Tewinkle Schools Foundation's EIN?

Estancia & Tewinkle Schools Foundation's EIN (Employer Identification Number) is 14-1896442. IRS Form 990 filing data is available on this page for 2021–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2025

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Estancia & Tewinkle Schools Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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