Head-to-head comparison
Adelphi University vs SUNY Old Westbury: which has better ROI?
Option A Garden City, NY
Adelphi University
- Net price / year
- $30,783
- Earnings, 10 years
- $75,482
- Payback
- 4.5 yrs
Option B Old Westbury, NY
SUNY Old Westbury
- Net price / year
- $11,282
- Earnings, 10 years
- $58,526
- Payback
- 4.4 yrs
SUNY Old Westbury has the better ROI: it clears its 4-year net cost of $45,128 in 4.4 years versus 4.5 years at Adelphi University, on median earnings of $58,526 vs $75,482 ten years out. (Scorecard, 2026 · our math.)
| Measure | Adelphi University | SUNY Old Westbury |
|---|---|---|
| Net price / yr | $30,783 | $11,282 |
| Total net cost | $123,132 | $45,128 |
| Median earnings, 10 yrs | $75,482 | $58,526 |
| Median debt | $25,000 | $14,997 |
| Payback | 4.5 yrs | 4.4 yrs |
| 20-year net return | $419,308 | $158,192 |
College Scorecard (2026), institution-level · payback and returns are our math. Figures blend all majors.
The short answer
Which is cheaper, Adelphi University or SUNY Old Westbury?
SUNY Old Westbury, at $11,282 a year after aid versus $30,783 — a gap of $19,501 a year, or $78,004 across the full degree. These are net prices after grants and scholarships, not sticker prices, so they reflect what an aided student pays.
The short answer
Do Adelphi University or SUNY Old Westbury graduates earn more?
Adelphi University graduates report a median $75,482 ten years after entry, $16,956 more than the $58,526 at SUNY Old Westbury. Both are institution-wide medians from federal tax records, so a high-paying major at the lower school can beat the average at the higher one.
The short answer
Which leaves students with less debt, Adelphi University or SUNY Old Westbury?
SUNY Old Westbury: its completers carry a median $14,997 in federal loans versus $25,000 at Adelphi University, a difference of $10,003. The figure counts students who finished; it excludes private loans and anyone who left before graduating.
The short answer
Which graduates more of its students?
67% of students finish at Adelphi University, against 45% at SUNY Old Westbury. Completion matters to the ROI arithmetic because a degree that is never finished still carries its cost and its debt, but earns none of the graduate premium above the $48,360 high-school baseline.