Idaho Permit Test Study Guide
Every key concept from the official handbook, organized by topic.
Direct answer
Idaho permit-test facts: Questions: 40; To pass: May miss up to 6 of 40 questions; Minimum age: Driver Training Permit: 14½ to under 17; Class D Instruction Permit: 17 or older; Idaho license eligibility begins at 15; Fee: $20 Instruction Permit; $21.50 Driver Training Instruction Permit; Re-takes: Wait 3 days after a failed Class D knowledge test and pay the knowledge-test fee again; Official handbook: Idaho Driver's Handbook (July 2026).
Each field links to the primary official source used for its review. A field marked not stated means the reviewed source did not publish that requested fact; confirm current application details with the authority.
| Fact | Answer | Evidence status |
|---|---|---|
| Questions | 40 | Verified against cited official source |
| To pass | May miss up to 6 of 40 questions | Verified against cited official source |
| Minimum age | Driver Training Permit: 14½ to under 17; Class D Instruction Permit: 17 or older; Idaho license eligibility begins at 15 | Verified against cited official source |
| Fee | $20 Instruction Permit; $21.50 Driver Training Instruction Permit | Verified against cited official source |
| Re-takes | Wait 3 days after a failed Class D knowledge test and pay the knowledge-test fee again | Verified against cited official source |
| Official handbook | Idaho Driver's Handbook (July 2026) | Verified against cited official source |
Official source
Field evidence reviewed: 2026-09-14 (retrieved)
5 topics · 8 explanations
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