South Dakota Kindergarten Age Cutoff — Plus Preschool & TK (2026–2027)
In South Dakota, a child must turn 5 by September 1 to start kindergarten that fall. South Dakota does not have a statewide Transitional Kindergarten grade; children go from preschool/pre-K to kindergarten. South Dakota has no statewide public pre-K program open to all families; most preschool is private (tuition-based), with Head Start for eligible families.
| Kindergarten cutoff | Turn 5 by September 1 |
|---|---|
| Transitional Kindergarten | Not offered statewide |
| Public pre-K | None statewide (private / Head Start) |
| Compulsory school age | 6 |
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South Dakota age cutoffs — the details
Kindergarten and TK cutoffs are set by state law; preschool has no legal age cutoff because it is private. Cutoff verified from the official South Dakota source. Always confirm the current date with your school or district — rules can change year to year.
Kindergarten cutoffs in nearby states
Cutoff dates differ across the Upper Midwest — a birthday that misses the cutoff in one state can make it in another.