Idaho · Permit Requirements
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).
Before you visit the DMV, make sure you meet every Idaho learner's permit requirement — missing a single document sends you home without a permit. This page lists everything you need: age, documents, tests, and fees, sourced from the Idaho Driver's Handbook (July.
Already have your documents? Practice the free knowledge test below so you walk in ready to pass on the first try.
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)
Three sample questions from our practice bank. Read the explanation after each.
Question 1 · Knowledge test
What passing score do you need on the Idaho knowledge test?
Correct answer: 85% (34/40)
Idaho: get 34 of 40 right (85%) to pass — higher than most states.
Question 2 · Mountain driving
When descending a long, steep mountain grade in Idaho, how should you control your speed?
Correct answer: Shift to a lower gear to use engine braking
On long downhill grades, shift to a lower gear so your brakes don’t overheat.
Question 3 · Lane use
What is the purpose of a two-way left-turn lane in the center of a road?
Correct answer: For left turns by traffic from both directions
The center lane with turn arrows is only for making left turns — not for through travel.
Your first full mock exam is free.
Proof of identity (birth certificate or passport), your Social Security number (Social Security card), and proof of Idaho residency (two documents such as utility bills or bank statements). Bring originals — photocopies are typically not accepted.
Driver Training Permit: 14½ to under 17; Class D Instruction Permit: 17 or older; Idaho license eligibility begins at 15. Different requirements apply depending on your age — younger applicants must complete driver education before applying.
$20 Instruction Permit; $21.50 Driver Training Instruction Permit. Check the DMV website for the current fee schedule as these can change.
It depends on your age. Adults (18+) can generally apply directly. Applicants under 18 in Idaho must typically complete an approved driver education program first.
Yes — Idaho offers the knowledge test in Spanish at most DMV offices. You can also request a Spanish version of the driver's handbook at the counter.
Start with a free practice exam. No card, no commitment.
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Study for the Idaho DMV permit test in Chinese. Native-quality Chinese practice questions, explanations, and an AI tutor — plus what to expect on the official exam.
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Study for the Idaho DMV permit test in Korean. Native-quality Korean practice questions, explanations, and an AI tutor — plus what to expect on the official exam.
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