Key differences on Cost & aid
- 1
Southern Illinois University-Carbondale's grants cover 44% of its full price on average, vs. 37% at Radford
Aid generosity - 2
Southern Illinois University-Carbondale costs about $3.1K less per year on average than Radford ($16,419 vs. $19,506, all students)
Average cost, all students
Cost & aid
Cost & aid
Average cost, aid generosity, net price by family income, sticker prices, and grants.
What students pay
Grants
Sticker prices
On one scale, so the bars read against each other.
Up to $110K: the average net price per year for students receiving federal aid, 2023–24; families who didn't file the FAFSA aren't included. Above it the published data end. For your own number, use the college's net price calculator .
Family income per year $150K
- Southern Illinois University-CarbondalePublished data end at $110K
- RadfordLittle need-based aid above $110K
Published (federal figure, up to $110K) EstimateBars share one scale: the largest full price.
Where need-based aid ends, merit, and published promises
| Metric | Southern Illinois University-Carbondale | Radford |
|---|---|---|
| Need-based aid up to | Published data end at $110K | Little need-based aid above $110K |
| Merit for students without need | – | – |
| Published promise | – | – |
A college's own promise is stated for a typical family and changes yearly; where a promise and our estimate disagree, the promise wins. Merit has no income limit, so it can lower the price above the point where need-based aid ends.
Tuition guarantee & Promise program
| Metric | Southern Illinois University-Carbondale | Radford |
|---|---|---|
| Tuition guarantee | Yes | No |
| Promise program | No | No |
From the colleges' Common Data Sets
| Metric | Southern Illinois University-Carbondale | Radford |
|---|---|---|
| Aid forms | – | FAFSA |
| Aid priority date or deadline | – | February 15 (priority) |
| Need met, first-years | – | 82% |
| Average aid package, first-years | – | $18,943 |
| College grant dollars given as merit | – | 33% |
| Aid for international students | – | Offered |
Sources:IPEDS Institutional Characteristics survey, 2023–24;IPEDS Student Financial Aid survey, 2023–24;College Scorecard, 2023–24;College Scorecard, most recent release;Common Data Set, most recent release;Radford University Common Data Set 2025–26, Fall 2026 entrants;Radford University Common Data Set 2025–26, 2025–26 (estimated);Radford University Common Data Set 2025–26, 2025–26About the data(retrieved 2026-10-12)
Figures are the newest each college has published; years can differ between colleges. Each value's ⓘ shows its source and year. Why