RANKING · THE OUT-OF-STATE TAX · SD

What out-of-state students really pay in South Dakota.

Same South Dakota public university, same degree. The only thing that changes is whether your driver’s license matches the state — and at South Dakota School of Mines and Technology that one fact swings your 30-year payoff by $150K. All 6 qualifying public universities in South Dakota, ranked by the penalty. Every school below still pays off both ways. The tax isn’t the school — it’s the residency line.

IPEDS 2023 tuition · FREOPP 2021 earnings · BEA 2023 cost-of-living · resident vs non-resident, all else held equal · South Dakota public four-year only · every school shown is NPV-positive both ways.

  1. 1 South Dakota School of Mines and Technology −$150K
  2. 2 South Dakota State University −$119K
  3. 3 University of South Dakota −$119K
  4. 4 Northern State University −$106K
  5. 5 Black Hills State University −$106K
  6. 6 Dakota State University −$106K
How this is computed (and what it isn’t)

For each South Dakota public four-year university we run the /worth-it calculator twice with everything identical except the tuition line: once at the school’s resident rate, once at its published non-resident rate. The gap is the “out-of-state tax” — the extra cost of non-residency, compounded over a 30-year net-present-value horizon. Both numbers use the same earnings and the same cost-of-living, so the difference is purely residency tuition.

We only list schools that stay NPV-positive both ways — the point isn’t that any school is a bad bet, it’s that the residency line, an accident of which state you grew up in, is worth more than most scholarships. The fix is usually mechanical: in-state status, a reciprocity agreement, or a transfer pathway.

↓ Download the data (CSV) · The full national dataset — filter the state column to SD for this page’s rows. Free to cite with attribution. · Methodology

Cite this:

LE TEEN (2026). “The out-of-state tax in South Dakota: public universities ranked by the non-resident tuition penalty.” Data: IPEDS 2023 · FREOPP 2021 · BEA 2023. https://le-teen.com/rankings/out-of-state-tax/sd

Questions

How much more does out-of-state tuition cost in South Dakota?
At South Dakota School of Mines and Technology, paying non-resident tuition instead of resident costs $150K over a 30-year horizon — same school, same degree, the only difference is residency. That is the largest out-of-state penalty among the 6 South Dakota public universities we can honestly score (IPEDS 2023 tuition, FREOPP 2021 earnings, BEA 2023 cost-of-living).
Is paying out-of-state tuition in South Dakota worth it?
Every South Dakota school in this ranking stays NPV-positive both ways — the resident and non-resident paths each still pay off — so the honest question isn’t “worth it or not,” it’s how large a cost the residency line adds. At the top of the list that cost is $150K over 30 years.
How do out-of-state students avoid non-resident tuition in South Dakota?
The gap is a pricing line, not a difference in what you receive, so the fix is usually mechanical: establishing in-state residency, a regional reciprocity or tuition-exchange agreement, or a transfer pathway. The size of the prize is the number in this table — up to $150K over 30 years at South Dakota School of Mines and Technology.