How To Pass the HESI Exam

What is the HESI?

The HESI (Health Education Systems Incorporated) exam is a standardised test used by nursing programs across the United States. There are two major versions: the HESI A2, which is an admissions exam for prospective nursing students, and the HESI Exit Exam, which is a comprehensive predictor of NCLEX success taken near graduation. Both versions are challenging, timed, and heavily weighted in admissions or graduation decisions, and passing either requires more than memorisation — you need a real strategy.

Know exactly what is on your version

Before you build a study plan, confirm which sections your program requires and what the minimum passing scores are (they usually sit somewhere between 75 and 85 percent). The HESI A2 typically covers math (fractions, decimals, ratios, conversions, and dosage calculations), reading comprehension, vocabulary and general knowledge, grammar, and a mix of biology, chemistry, and anatomy and physiology. The HESI Exit is a different animal: it focuses on NCLEX-style clinical judgement, including prioritisation, delegation, pharmacology, safety, and management of care.

Build a six-to-eight week study plan

Cramming does not work for the HESI, so plan for at least six to eight weeks. Spend the first two weeks on diagnostics — take a full-length practice test, score each section, and identify your two weakest areas. Then move into targeted content review for weeks three through five, spending roughly 60 percent of your time on those weak areas and 40 percent maintaining your stronger sections. Weeks six and seven should be dominated by practice questions: aim for 50 to 75 timed questions a day and review every wrong answer, including why the correct answer is correct. Use your final week for at least two full-length simulations under real exam conditions.

Use the right resources

The materials that consistently deliver results are Elsevier's HESI Admission Assessment Exam Review (the official book), Saunders Comprehensive Review for the NCLEX-RN (excellent for the Exit exam), UWorld's NCLEX QBank for clinical-judgement questions, Quizlet decks for vocabulary and medical terminology, and Khan Academy for math, biology, and chemistry refreshers. Avoid random YouTube "brain dumps" — stick to structured, question-heavy resources that force you to reason.

Master dosage calculations

Math is where students lose the most avoidable points on the HESI, and dosage calculations are the biggest offender. Drill unit conversions between mg and g, mL and L, and lb and kg until they are automatic. Practise IV drip rates in gtt/min, weight-based paediatric dosing, and percent solutions and dilutions. Fifteen dosage problems a day for four weeks will transform both your accuracy and your speed.

Attack reading comprehension strategically

Reading comprehension rewards a specific technique. Read the questions first, then skim the passage for keywords rather than reading top to bottom. Distinguish between stated facts and inferences carefully, because the HESI loves inference questions. And watch out for absolute words in the answer choices — options that say "always" or "never" are usually wrong.

For the Exit exam: think like NCLEX

The HESI Exit uses the same clinical-judgement framework as the NCLEX, so train yourself to ask the same questions on every item. Who is the most unstable patient, and are you prioritising Airway, Breathing, and Circulation? What is the safest action, remembering that safety beats efficiency? What can only the RN do, so which task cannot be delegated? And what does the nurse do first — assessment before intervention, unless it is a true emergency?

Exam day tactics

Sleep seven to eight hours the night before and do not cram past 8 PM. Eat protein and complex carbs before the exam and avoid heavy sugar. Pace yourself: for a 55-question section in 60 minutes, that is roughly one minute per question. Never leave a question blank, because there is no penalty for guessing on the HESI. Flag hard questions and come back to them once you have banked the easier points.

Manage anxiety

Test anxiety is real, and it will cost you points if you ignore it. In the final week before the exam, practise box breathing (four seconds in, four hold, four out, four hold), take at least one full practice exam in a quiet library or testing environment to condition yourself, and rehearse a short self-cue — something as simple as "I've prepared. I trust my training." — that you can lean on when a hard question appears.

Final word

Passing the HESI comes down to three things: early preparation, honest weakness targeting, and thousands of practice questions. Students who follow a structured plan and treat the HESI like a marathon rather than a sprint pass — often on the first attempt.

Want personalised guidance? Our team helps nursing students plan their HESI prep, identify weak areas, and walk through what to expect on exam day.