Robert Glenn Rapp Foundation logo

Robert Glenn Rapp Foundation

Private foundation · Grantmaker Oklahoma City, OK EIN: 73-0616840 Website

The Robert Glenn Rapp Foundation is a private, family foundation based in Oklahoma City, Oklahoma. Established in 1951, it supports charitable organizations in the United States, with a preference for education and the state of Oklahoma.

Robert Glenn Rapp Foundation at a glance

In short: Robert Glenn Rapp Foundation gave $2.0M across 47 grants in 2024 (avg $42K), mostly in Oklahoma. 28% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$1,971,000
+4.1% vs 2023
Grants made (2024)
47
-16.1% vs 2023
Average grant
$41,936
+24.1% vs 2023
Median grant
$20,000
Total assets
$33,485,348
+3.4% vs 2023
New grantees (estimate)
28% first-time grantees (13 of 47, 2024)
Primary geography
Oklahoma (80% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Robert Glenn Rapp Foundation

How to Apply

Charitable organizations must submit a Letter of Inquiry using the form available on the foundation’s website. The foundation’s filing states that a 501(c)(3) letter is required and that grants must have an educational, scientific, religious, or literacy purpose. The foundation does not restrict giving to preselected organizations. According to the grant program information, organizations whose inquiries are approved are invited to submit a full application.

Review Cycle
Submit a Letter of Inquiry from April 1 through May 31 by 5:00 p.m. CST. Invited full applications are due by August 31 at 5:00 p.m. CST.
Deadline
Submit a Letter of Inquiry from April 1 through May 31 by 5:00 p.m.
Contact

Application contact: Robert Glenn Rapp Foundation
Mailing address: 5400 N Grand Blvd Ste 545, Oklahoma City, OK 73112
Phone: (405) 525-8331
Website: https://www.rappok.org

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Robert Glenn Rapp Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Catholic Charities: $202KCatholic Charities$202KOklahoma University: $200KOklahoma University$200KHeritage Hall School: $127KHeritage Hall School$127KMyriad Gardens Foundation: $127KMyriad Gardens Foundation$127KOklahoma Medical Research Foundatio: $105KOklahoma Medical ResearchFoundatio$105KCistercian Prep School: $105KCistercian Prep School$105KSan Diego Symphony Orchestra: $104KSan Diego Symphony Orchestra$104KSouthern Methodist University: $101KSouthern Methodist University$101KPiedmont Early Childhood Center: $100KPiedmont Early ChildhoodCenter$100KOkla City Univ: $75KOkla City Univ$75K

The largest 2024 recipient was Catholic Charities ($202K). Together the top 10 received $1.2M.

Grant Size Distribution

260 grants across all recorded years

186<$50K45$50–100K26$100–250K3$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 186 grants of 260 (72%).

Geographic Focus

Where this funder awards grants

The foundation supports organizations across the United States, with a stated preference for Oklahoma. In 2024, 80% of grant dollars went to recipients in Oklahoma, 12% to Texas, and 8% to California. Its larger 2024 grants also included recipients in Oklahoma and Texas, as well as a California-based orchestra.

Grant Distribution by State

10states

Share of 2024 grant dollars across all 47 itemized grants.

Cities

Oklahoma CityEdmondDallasSan DiegoMooreNormanOkarcheVistaEl RenoIncline VillageRenoShawneeTulsaWilliamsburgBroken ArrowOkhoma CityOklhoma CityOklhoma City OkPlanoStillwater

Is Robert Glenn Rapp Foundation open to new grantees?

28%

first-time grantees, 2024

In 2024, 13 of 47 grantees (28%) were first-time recipients. First grants averaged $33K; repeat grants $45K. How we count

Medians: $10K first-time, $25K repeat.

  • 68% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (+16%). Method
  • In 2024 it paid out 101% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M$2M39 grants2020 56 grants2021 62 grants2022 56 grants2023 47 grants2024

From 2020 to 2024, annual grant giving ranged from $1.7M (2020) to $2.0M (2024). In 2024 it made 47 grants totaling $2.0M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Catholic Charities Oklahoma City, OKConstruction of Women's Day Shelter$201,500
Oklahoma University Norman, OKEndowment for microbiology$200,000
Heritage Hall School Oklahoma City, OKEndowments & New Construction$126,700
Myriad Gardens Foundation Oklahoma City, OKCapital campaign$126,500
Oklahoma Medical Research Foundatio Oklahoma City, OKRenovations and equipment upgrades to the Reynolds Center$105,000
Cistercian Prep School Irving, TXTheatre construction$105,000
San Diego Symphony Orchestra San Diego, CAPurchase image projection equipment for Rady Shell$104,000
Southern Methodist University Dallas, TXCox School of Business Renovation and Expansion$101,000
Piedmont Early Childhood Center Yukon, OKPlayground Facility$100,000
Okla City Univ Oklahoma City, OKKirkpatrick Theater Renov$75,000
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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 IncomeDistributable Amount
2024$33,485,348$3,742,487$2,520,429$1,971,00047$2,199,882$3,321,940$2,187,079
2023$32,395,381$2,514,698$2,617,495$1,892,58056$2,135,687$2,099,753$2,208,528
2022$32,331,755$5,286,805$2,576,643$1,797,57562$2,030,502$4,807,998$2,150,828
2021$29,631,862$3,957,477$2,311,588$1,704,50056$1,914,367$3,610,404$2,102,592
2020$27,975,654$2,050,428$2,233,602$1,698,07639—$1,704,346$1,825,469

Under IRS private-foundation payout rules, Robert Glenn Rapp Foundation reported a distributable amount of $2.2M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

The foundation’s stated focus areas include education, construction, health and wellness, religion, literacy, and arts and culture. Its education interests include pre-K through higher education, endowments, scholarships, and vocational technical programs. Construction support can include equipment for renovations and new buildings; health and wellness support includes scientific research, health care, and quality-of-life projects.

Recent grantees illustrate the range of organizations supported. For example, Southern Methodist University describes its mission as education through research and teaching. Myriad Gardens Foundation says it works to improve quality of life in Oklahoma City through a botanical garden, urban park, and horticultural, cultural, recreational, and educational programs. Moonlight Cultural Foundation describes its work as building community through arts experiences and youth theatre education.

Grantmaking

In 2024, the foundation reported 47 grants totaling $1,971,000. Grant amounts ranged from $500 to $201,500, with a median of $20,000. Larger awards included $201,500 to Catholic Charities for construction of a women’s day shelter; $200,000 to Oklahoma University for a microbiology endowment; $126,700 to Heritage Hall School for endowments and new construction; and $126,500 to Myriad Gardens Foundation for a capital campaign.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists these trustees: James H Milligan, Lois D Milligan, Jilene K Boghetich, Michael J Milligan, Merry L Knowles, Tony Boghetich, Patricia F Milligan, Patricia A Daniel, Trevor Daniel, and Margie S John.

Robert Glenn Rapp Foundation's 2024 filing lists 15 officers; 14 of 15 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • April Boghetich Rutledge

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Cory N Knowles

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • James H Milligan

    Trustee

    On filings since 2023

    $17K (2023) → $0 (2024)

  • Jilene K Boghetich

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Lois D Milligan

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Margie S John

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Merry L Knowles

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $12K (2024)

  • Michael J Milligan

    Trustee

    On filings since 2023

    10 hrs/week

    $18K (2023) → $18K (2024)

  • Patricia A Daniel

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Patricia F Milligan

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $6K (2024)

  • Richard J John

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Tony Boghetich

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Trevor Daniel

    Trustee

    On filings since 2023

    5 hrs/week

    $18K (2023) → $18K (2024)

  • Elizabeth Watts

    Trustee

    New on the 2024 filing

    5 hrs/week

    $14K (2024)

  • Travis Boghetich

    Trustee

    New on the 2024 filing

    5 hrs/week

    $8K (2024)

Former officers (1)
  • Former: Attm IV Detail (2020–2022) — Trustee

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Lois D Milligan — Trustee: $18KLois D MilliganTrustee$18KJilene K Boghetich — Trustee: $18KJilene K BoghetichTrustee$18KMichael J Milligan — Trustee: $18KMichael J MilliganTrustee$18KTony Boghetich — Trustee: $18KTony BoghetichTrustee$18KPatricia A Daniel — Trustee: $18KPatricia A DanielTrustee$18KTrevor Daniel — Trustee: $18KTrevor DanielTrustee$18KMargie S John — Trustee: $18KMargie S JohnTrustee$18KRichard J John — Trustee: $18KRichard J JohnTrustee$18KCory N Knowles — Trustee: $18KCory N KnowlesTrustee$18KApril Boghetich Rutledge — Trustee: $18KApril Boghetich RutledgeTrustee$18KElizabeth Watts — Trustee: $14KElizabeth WattsTrustee$14KMerry L Knowles — Trustee: $12KMerry L KnowlesTrustee$12KTravis Boghetich — Trustee: $8KTravis BoghetichTrustee$8KPatricia F Milligan — Trustee: $6KPatricia F MilliganTrustee$6K

The highest reported compensation on the 2024 filing was $18K, to Lois D Milligan (Trustee). 14 officers or directors reported compensation on that filing.

Frequently asked questions about Robert Glenn Rapp Foundation

How much does Robert Glenn Rapp Foundation give each year?

Robert Glenn Rapp Foundation gave $2.0M across 47 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.9M across 56 grants.

What is Robert Glenn Rapp Foundation's typical grant size?

Robert Glenn Rapp Foundation's median grant in 2024 was $20,000, and its average grant was $41,936, across 47 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Robert Glenn Rapp Foundation that year got $33K on average.

Where does Robert Glenn Rapp Foundation give grants?

Robert Glenn Rapp Foundation gives mostly in Oklahoma: 80% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Texas (12%) and California (8%). The most frequent recipient cities were Oklahoma City, OK (31 grants), Edmond, OK (3 grants) and Dallas, TX (2 grants).

Does Robert Glenn Rapp Foundation give general operating support?

Yes: 19% of Robert Glenn Rapp Foundation's 2024 grants with a stated purpose (9 of 47) were for general or operating support, per its 2024 IRS Form 990-PF. Recurring purposes include "Capital campaign" (3 grants).

Who are Robert Glenn Rapp Foundation's largest grantees?

Robert Glenn Rapp Foundation's largest 2024 grantees include Catholic Charities ($201,500), Oklahoma University ($200,000) and Heritage Hall School ($126,700), according to its 2024 IRS Form 990-PF. Together they received 27% of its itemized 2024 grant dollars.

How large is Robert Glenn Rapp Foundation?

Robert Glenn Rapp Foundation reported $33.5M in total assets on its 2024 IRS Form 990-PF. It paid out $2.2M in qualifying distributions that year, against a required minimum of $2.2M (roughly 5% of its investment assets).

What does Robert Glenn Rapp Foundation fund?

The foundation’s stated focus areas include education, construction, health and wellness, religion, literacy, and arts and culture. Its education interests include pre-K through higher education, endowments, scholarships, and vocational technical programs. See mission & focus areas ↑

How do I apply for a grant from Robert Glenn Rapp Foundation?

Charitable organizations must submit a Letter of Inquiry using the form available on the foundation’s website. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Robert Glenn Rapp Foundation's EIN?

Robert Glenn Rapp Foundation's EIN (Employer Identification Number) is 73-0616840. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). Robert Glenn Rapp Foundation funder profile. GrantGraph. Retrieved October 14, 2026, from https://grantable.co/funders/robert-glenn-rapp-foundation-morg_9fa899156b1c4535982d331b291afab2

BibTeX
@misc{grantable_730616840_2026,
  author       = {{Grantable}},
  title        = {{Robert Glenn Rapp Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/robert-glenn-rapp-foundation-morg_9fa899156b1c4535982d331b291afab2},
  note         = {Accessed 2026-10-14. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Robert Glenn Rapp 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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