Trusted USMLE® Self-Assessments
to Determine Your Readiness
Why Students Prefer Our USMLE Practice Exams
Alongside the NBME®’s practice exams, our USMLE self-assessments are considered by students to be the most helpful at gauging exam readiness. Our test forms are highly representative of the real exam, offer accurate score predictions, and deliver detailed score reports to help with remediation.
Simulated USMLE Interface
Explanations for Each Question
Comprehensive Score Reports
Practice the USMLE’s “Block” Format
Each UWorld self-assessment features four 60-minute blocks with 40 unique MCQs per block. This is similar to Step 1’s 7 blocks, Step 2 CK’s 8 blocks, and Step 3’s 6 blocks on testing day one. We currently offer:
- 3 Step 1 Self-Assessments
- 3 Step 2 CK Self-Assessments
- 2 Step 3 Self-Assessments
With multiple self-assessments per exam, you have the opportunity to measure your improvement over time and make changes to your study strategy.
Practice the USMLE’s “Block” Format
Review Why Answer Options
Are Right or Wrong
Review Why Answer Options Are Right or Wrong
After you’ve submitted a block, two reports will become available:
- See your score for that block compared to the average score of other UWorld users
- Review your performance on each specific question, and read a comprehensive explanation for each question
- See a summary of your performance by subject and system
- View your total number of correct, incorrect, and omitted questions
Understand Your Performance and Ranking
Once you’ve completed all four blocks, you will receive access to:
- Take an overall look at your performance by subject and system
- Compare your performance against that of other UWorld users
- View your approximate 3-digit USMLE score (based on historical UWorld data)
- Review your relative strengths and weaknesses by subject and system
- See how consistent you were when answering questions by subject and system
Understand Your Performance and Ranking
Try Our Proven USMLE Self-Assessments for Yourself
Practice until you're confident you're ready! Select your Step below and click on the “Self-Assessments” tab to purchase our leading USMLE practice exams individually or as a bundle. See why many students consider them to be a top resource for passing the exam.
Get the Most Out of Your USMLE Practice Exams
While recommendations vary, many students choose to take between two and four USMLE practice tests to gauge their readiness and prepare for their exams. Here’s how we suggest using UWorld self-assessments to maximize their value.
Step 1 Self-Assessments Overview
Step 2 CK Self-Assessments Overview
Step 3 Self-Assessments Overview
Step 1 Self-Assessments Overview
- Form 1: Take early in your preparation for a baseline measurement of your knowledge.
- Form 2: Take toward the middle or end of your initial studies to identify weaknesses.
- NEW! Form 3: Take during dedicated study close to your exam date to get acclimated to the exam.
As you complete each form, remember to review our detailed answer explanations to learn from your mistakes.
Step 2 CK Self-Assessments Overview
UWorld Step 2 CK self-assessments examine the clinical science principles and basic patient-centered skills required for competent practice under supervision.
- Form 1: Take at the beginning of your dedicated study period to establish a starting point
- Form 2: Take after completing 1/2 the QBank
- NEW! Form 3: Take in in the last 1-2 weeks of your study period
As you complete each form, remember to review our detailed answer explanations to learn from your mistakes.
Step 3 Self-Assessments Overview
- Form 1: Take at the beginning of your study time to establish a baseline
- Form 2: Take in the last few weeks of study time to get acclimated to testing environment
As you complete each form, remember to review our detailed answer explanations to learn from your mistakes.
See How Our Self-Assessments Help Students Succeed
It's the ultimate prep tool before the USMLE exam. The explanations are top-notch."
UWorld is a game-changer. The self-assessment tests really helped me gauge my readiness."
I credit UWorld for my USMLE success. The assessments are invaluable for building confidence."
Frequently Asked Questions
Our self-assessments (sometimes referred to as UWSAs) reflect what students can expect on their Step exams. We mirror the testing interface, difficulty level, question types, and format to offer a realistic measurement of your readiness.
For Step 1 and Step 2 CK, we suggest taking Form 1 early in your prep as a baseline measurement of your understanding, Form 2 in the middle or toward the end of your initial studies to identify weaknesses, and Form 3 during dedicated study as a final performance check.
For Step 3, we suggest taking Form 1 during the beginning or middle of your first year of residency, and Form 2 in the final weeks before your exam date to get reacclimated to the USMLE testing environment.
Each of our practice tests consists of four 60-minute blocks with 40 unique multiple-choice questions per block. This means that each self-assessment contains 160 USMLE-style questions with thorough answer explanations that can’t be found in our QBank.
Our self-assessments all feature four 60-minute blocks; however, you have the option to set your time limit to 1x, 1.5x, or 2x to simulate an extended-time accommodation. You can also pause the exam and return to it later as needed.
Many students and educators consider UWorld USMLE practice exams to be as accurate as the NBME’s practice tests at gauging true exam readiness.
Yes, we currently offer 3 self-assessments for Step 1 and Step 2 CK, and 2 self-assessments for Step 3. They can be purchased individually or in bundles by Step product.