Adelphi University
About
Discover Adelphi University, Long Island's oldest university for master's and bachelor’s degrees. Named best college by Princeton Review.
Adelphi university is dedicated to transforming students' lives through small classes, hands-on learning and innovative programs supporting academic and career success.
Focus & reach
Verification & registration
Every mark links to the official registry entry and opens in a new tab.
Integrity assessment
A score from 0 to 100 for how openly a charity shares public information across five areas: registration, financial disclosure, governance, contact details, and data recency. It does not measure programme impact. document.querySelector('#data-knowledge') && document.querySelector('#data-knowledge').scrollIntoView({behavior:'smooth', block:'start'}))" class="gr-link" style="color:#0E827A;font-weight:700;text-decoration:none;cursor:pointer">See exactly what we do and do not have →
Financials
IRS Form 990Leadership at a glance
Official filingsSimilar charities
GiveRadar Intelligence
GiveRadar Analysis
From what GiveRadar has verified so far, Adelphi University has a complete profile, cross-referenced across 4 independent sources including the IRS.
- Established in 1896, it is among the oldest education charities in the United States GiveRadar tracks. View this cohort
- By reported annual revenue, it is larger than 99% of the 88,739 education charities in the United States with financial records on GiveRadar. See the filings
- GiveRadar has verified more about this organization than about 98% of the 195,586 education charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
- government registration
- financial records (6 filed years)
- disclosed leadership
- a website
- a contact email
- a donation page
Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.
Filing history
6 years on file from IRS Form 990: revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
Sign up to viewTax deductibility
Whether a gift to Adelphi University lowers your own taxes depends on where you pay them. Choose your country to see the rule that applies.
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
ADELPHI UNIVERSITY is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
This is general guidance, not tax advice. Confirm treatment with the charity or your tax advisor before donating.
Staff & volunteers
Leadership & board
Official filingsBoard members and senior officers on record, with disclosed pay where available.
25 officers and trustees on file, free with a GiveRadar account.
No red flags detected
Timeline
From official filingsKey dates from this charity's official filings, newest first.
In the news
No recent news coverage found
News coverage will appear here when articles mention this organization.
How it stacks up against peers
Compared with 8 similar education charities in United States.
Cause areas in United States
Charities working in each area, this charity's highlighted.
Sources and verification
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search · 204 disclosed in the public registry.
What we know and don't know
Every data point we track for this charity, and whether we have found it. Disclosure only, never a judgment of the charity's work.
Data freshness
How current this profile is, and when we last checked it against the official source.
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
Read full methodologyIf you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email info@giveradar.com with the correct information. We review every request and respond within 30 days.
Frequently asked questions about Adelphi University
Adelphi University is a registered education nonprofit based in Garden City, NY, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1896 and has been operating for 130 years. Its EIN is 111630741. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 90/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $369M in annual revenue. 204 officers and directors are publicly disclosed. No red flags have been detected.
Adelphi University's Vice President Of Finance, Michael Rhattigan, received $898,788 in reported compensation in its most recent filing (2025). This figure comes straight from the organization's official filing and covers salary plus other reportable pay. Executive pay generally scales with the size and complexity of a nonprofit, so it is best read alongside the organization's revenue and what it does.
Based on official filings, Adelphi University has $369M in annual revenue. It allocates 89% of expenses to programs and services. This is above the average of 73% for education charities in United States. Its revenue is significantly above the peer average of $7M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Discover Adelphi University, Long Island's oldest university for master's and bachelor’s degrees. Named best college by Princeton Review. Adelphi University is classified as an education organization registered in United States. The organization was founded in 1896.
Adelphi University is classified as an Education organization, registered in United States. It operates as a School (170(b)(1)(A)(ii)). By size, it is categorized as a major organization. It has $369M in annual revenue. The organization has 204 disclosed officers and directors.
Adelphi University's EIN (Employer Identification Number) is 111630741. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.
Adelphi University is located in Garden City, NY, United States. The organization was established in 1896 and has been active for 130 years.
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Quick facts about Adelphi University
- What is Adelphi University?
- Adelphi University is a education school (170(b)(1)(a)(ii)) based in Garden City, United States. Discover Adelphi University, Long Island's oldest university for master's and bachelor’s degrees. Named best college by Princeton Review.
- When was Adelphi University founded?
- Adelphi University was founded in 1896.
- Who leads Adelphi University?
- Michael Rhattigan serves as Vice President Of Finance.
- Where is Adelphi University located?
- Headquartered in Garden City, NY, United States.
- What is Adelphi University's annual budget?
- Annual revenue for fiscal year 2025 is $368.7 million. 89% of expenses go to program services.
- Is Adelphi University trustworthy?
- Adelphi University has a GiveRadar Integrity Assessment of 90 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Adelphi University's registration number?
- IRS EIN: 111630741.
- What is Adelphi University's website?
- http://www.adelphi.edu


