Facts About Adelphi
Get to know Adelphi University through our Fall 2025 enrollment and demographic data.
“Welcome” is in the air at Adelphi. Our vibrant, green campus offers a warm, supportive home where every student is empowered to succeed. Discover the numbers behind our community below—from small class sizes and financial aid opportunities to admissions facts.
Class Size and Faculty
Our small student-to-faculty ratio means our professors adopt a personalized approach to learning and students get direct attention and responsive instruction. Adelphi’s distinctive academics—with over 70 exceptional undergraduate programs and 90+ master’s and doctoral programs—make an education worth your investment.
Average Class Size
| Students | Average Class Size |
|---|---|
| Undergraduate | 21.5 |
| Graduate | 13.2 |
Faculty
| Categories | Faculty |
|---|---|
| Full-time | 328 |
| Part-time | 736 |
| Part-time FTEs | 245 |
| Full-time faculty with a doctoral degree | 91% |
| Full-time faculty with tenure | 62% |
Student Enrollment
Undergraduate Enrollment
| Academic Area | Full-time | Part-time | All Students |
|---|---|---|---|
| College of Arts and Sciences | 1,590 | 89 | 1,679 |
| College of Professional and Continuing Studies | 68 | 28 | 96 |
| Derner School of Psychology | 507 | 10 | 517 |
| Ruth S. Ammon College of Education and Health Sciences | 652 | 23 | 675 |
| College of Nursing and Public Health | 1,372 | 41 | 1,413 |
| School of Social Work | 47 | 0 | 47 |
| Robert B. Willumstad School of Business | 656 | 14 | 670 |
| Total Undergraduate Students | 4,892 | 205 | 5,097 |
Graduate Enrollment
| Academic Area | Full-time | Part-time | All Students |
|---|---|---|---|
| College of Arts and Sciences | 74 | 64 | 138 |
| College of Professional and Continuing Studies | 2 | 17 | 19 |
| Derner School of Psychology | 277 | 69 | 346 |
| Ruth S. Ammon College of Education and Health Sciences | 370 | 333 | 703 |
| College of Nursing and Public Health | 26 | 337 | 363 |
| School of Social Work | 279 | 222 | 501 |
| Robert B. Willumstad School of Business | 117 | 102 | 219 |
| Total Graduate Students | 1,145 | 1,144 | 2,289 |
Undergraduate Specialized Program Enrollment
Also included in undergraduate totals above.
| Special Program | Full-time | Part-time | All Students |
|---|---|---|---|
| Honors College | 281 | 1 | 282 |
| Levermore Global Scholars | 115 | 2 | 117 |
| Learning Resource Program | 61 | 1 | 62 |
| Bridges to Adelphi | 110 | 10 | 120 |
| Total | 567 | 14 | 581 |
Student Demographics
Students in our seven schools come from across the United States and around the world and represent a wide range of racial and ethnic backgrounds.
| Demographic | New First-Year Students | Undergraduate Students | Graduate Students |
|---|---|---|---|
| Out of state | 8% | 7% | 7% |
| U.S. Nonresidents Students | 3% | 4% | 10% |
| Living in residence halls | 28% | 18% | 1% |
Age
| Student Age | Undergraduate Students | Graduate Students | All Students |
|---|---|---|---|
| Under 20 | 48% | 0% | 33% |
| 20 to 24 | 48% | 37% | 45% |
| 25 to 29 | 2% | 28% | 10% |
| 30 to 39 | 1% | 19% | 7% |
| Over 40 | 1% | 16% | 5% |
| Average age | 21 | 30 | 23 |
| Median age | 20 | 26 | 21 |
Gender
| Gender | Undergraduate Students | Graduate Students | All Students |
|---|---|---|---|
| Men | 33% | 26% | 31% |
| Women | 67% | 74% | 69% |
Ethnicity
| Ethnicity | New First-Year Students | Undergraduate Students | Graduate Students |
|---|---|---|---|
| Asian/Pacific Islander | 16% | 15% | 8% |
| Black | 12% | 10% | 15% |
| American Indian or Alaska Native | 1% | <1% | <1% |
| Hispanic | 27% | 24% | 16% |
| White | 37% | 40% | 43% |
| Two or More | 3% | 3% | 2% |
| Unknown | 3% | 4% | 5% |
| U.S. Nonresidents Students | 3% | 4% | 10% |
Percentages are based on U.S. residents with known race/ethnicity.
Tuition and Financial Awards
Get an overview of tuition and fees, explore financial aid options and find ways to save on the cost of an Adelphi education.
| Full-time New First-Year Students | Awarded to Fall 2024 Cohort | Awarded to Fall 2025 Cohort |
|---|---|---|
| Receiving institutional award | 98% | 98% |
| Receiving any financial aid | 100% | 100% |
| Full-time Undergraduate Transfer Students | Awarded to Fall 2024 Cohort | Awarded to Fall 2025 Cohort |
| Receiving institutional award | 95% | 98% |
| Receiving any financial aid | 100% | 100% |
| Full-time Undergraduate Students | Awarded to Fall 2024 Cohort | Awarded to Fall 2025 Cohort |
| Receiving institutional award | 96% | 96% |
| Receiving any financial aid | 99% | 100% |
| Financial aid applicants receiving aid | 98% | 100% |
| Average grant | $31,189 | $32,727 |
| Average federal work study | $3,652 | $3,173 |
| Average loans | $6,537 | $6,653 |
| Average aid package | $35,321 | $38,401 |
AUI/Shorelight students are not included in the above figures.
Admissions
Adelphi is a test-optional University. Students can choose whether or not to submit their ACT or SAT scores. The average high school GPA was 3.7.
| New First-Year Students | |
|---|---|
| Number of applicants | 17,232 |
| Accepted | 12,433 |
| Enrollment/acceptance (yield) | 8% |
| Mean SAT Evidence-based Reading and Writing | 626 |
| Mean SAT Math | 617 |
| Mean total SAT | 1,240 |
| Mean high school GPA | 3.8 |
| In the top-twenty percent of high school class | — |
| Undergraduate Transfer Students | |
|---|---|
| Number of applicants | 3,047 |
| Accepted | 1031 |
| Enrollment/acceptance (yield) | 28% |
| Mean previous college GPA | 3.3 |
Retention and Graduation
| New First-year Full-time | |
|---|---|
| 2019 six-year graduation rate | 71% |
| 2024 one-year retention rate | 83% |