State guide · Idaho · 2026–27
What grade is my kid in Idaho?
Idaho uses a September 1 cutoff for kindergarten. (Verify with the state Department of Education — this page uses sample data.)
Calculate for your child
Your kid is in 3rd grade.
✓ Based on Idaho's September 1 cutoff
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What's the Idaho kindergarten cutoff?
Sample data — verify with Idaho SDE.
Can a child start kindergarten in Idaho a year early?
Most districts allow early entry only by formal assessment. Talk to your local school office before the spring enrollment window.
What is "redshirting" and is it common in Idaho?
Redshirting is intentionally delaying kindergarten by a year, usually for summer-birthday boys. It's most common in states with summer or early-fall cutoffs.
Grade by age in Idaho — 2026–27
| Age | Typical grade | Notes |
|---|---|---|
| 4 | Not in school yet | Starts K in fall of the following school year. |
| 5 | Kindergarten | |
| 6 | 1st grade | |
| 7 | 2nd grade | |
| 8 | 3rd grade | |
| 9 | 4th grade | |
| 10 | 5th grade | |
| 11 | 6th grade | |
| 12 | 7th grade | |
| 13 | 8th grade | |
| 14 | 9th grade | |
| 15 | 10th grade | |
| 16 | 11th grade | |
| 17 | 12th grade |
Source
Idaho Department of Education — verify cutoff and TK
eligibility before relying on this page.