COMPEX Exam Preparation Strategy: A Realistic 10-Week Study Plan

Before you open a textbook, sit one complete model set under exam conditions. On our free COMPEX practice page at /compex-practice, the full exam mode gives you 120 questions with a 3-hour timer and shows answers only after you submit, which is exactly what you want for an honest baseline. Do it in one sitting, with your phone in another room.

The total score matters less than the breakdown. The results page splits your performance into correct, wrong and skipped answers for each subject. Many wrong answers usually point to a concept gap, while many skipped answers often mean slow working or low confidence, and those two problems need different fixes.

Tip: Start with Model Set 1, because our ten sets rise in difficulty, and save Sets 7 to 10 for the last three weeks so you still have a realistic readiness check close to the exam.

The plan has three phases and a final week, and each phase changes what you do, not just how much. Early on you rebuild concepts without a clock, in the middle you add strict timing subject by subject, and at the end you rehearse the whole exam until it feels routine.

With only 8 weeks, shorten Phase 1 to three weeks and Phase 2 to two. With 12 weeks, give the extra time to Phase 1, because shaky fundamentals are the most expensive thing to repair late.

1. Weeks 1 to 4 (Foundation): work through your stream's topics, weakest first, solving questions without a timer. Aim for one 90-minute subject block and one 30 to 45 minute English block daily.
2. Weeks 5 to 7 (Speed): keep revising, but add two or three one-minute-per-question subject drills each week and review each drill the same day.
3. Weeks 8 to 9 (Simulation): take one or two full 120-question mocks per week at the time of day of your exam session, and review each one the next day.
4. Week 10 (Consolidation): no new topics; revise your error log and formula sheets and protect your sleep.

Mathematics usually separates PCM candidates, because it rewards practice more than memory. The topic list on our COMPEX page leans heavily on calculus: derivatives and integration, integration by parts, and differential equations. Add permutation and combination, probability, matrices and determinants, and sequences and series. Our model sets also include limits, continuity and sets, so treat the published list as a minimum rather than a boundary.

In Physics, electricity and magnetism form the largest block: current electricity, combination of cells, magnetic fields and capacitors, alongside semiconductors, wave optics and the dual nature of light. Do not skip Class 11 mechanics, because our sets regularly test free fall, collisions and rolling bodies.

Chemistry is often the fastest-scoring subject because many questions test direct recall of reactions, periodic trends and definitions. Short daily revision works better here than long weekend sessions.

Tip: Calculators are not permitted, so solve numericals with rounded values and rough working. The options are often far enough apart that a sensible estimate picks the right one.

Biology is the subject PCB candidates know best, so the main risk is overconfidence. The listed topics are cell structure and function, cell division, biomolecules and biological classification, but our model sets also cover plant anatomy, plant physiology, genetics and DNA replication. Learn processes in sequence, such as the stages of mitosis and meiosis, because questions often test the order of events rather than isolated facts.

Physics is where most PCB candidates lose marks. The Physics section is common to both streams, so you face the same numericals on circuits, capacitors and optics as engineering candidates. Give Physics the largest share of your Phase 1 time and focus on applying formulas rather than memorising derivations.

Chemistry overlaps with Biology through biomolecules, so study those chapters side by side. Give organic chemistry steady attention, because reaction questions become easy marks once the patterns are familiar.

English carries 30 questions, the same as any science subject. Yet many students skip specific preparation for it, even though a few focused weeks here produce dependable gains.

The syllabus names articles, tenses, active and passive voice, subject-verb agreement, error spotting, analogy and phrases. Our model sets add a short reading passage, synonyms and antonyms, one-word substitutions, idioms, reported speech, question tags and spelling. Grammar rules can be learned in a fortnight, but vocabulary needs daily exposure, so read one English editorial or article every day and note five unfamiliar words.

• Make a one-page sheet of the grammar rules you got wrong, with one example sentence for each.
• Learn idioms in batches of ten and test yourself on them two days later.
• For reading passages, skim the questions first and then read the passage, so you know what to look for.

A mock test is only useful if it changes what you do next. Use the two modes on /compex-practice for different jobs. Subject practice gives each question one minute and moves on automatically, which trains decisiveness, while full exam mode trains endurance and pacing across all 120 questions.

Treat every full mock as a rehearsal of the real day: sit at a desk, use only rough paper and a pen, and never pause the timer. Because answers appear only at the end, you cannot check as you go, so the score is a fair reading of where you stand.

Expect the review to take as long as the test. The aim is not to memorise answers but to identify the method or fact you were missing.

Tip: Record your subject scores from each mock in a simple table. A rising line in three subjects and a flat one in the fourth tells you exactly where your remaining weeks should go.

On a computer-based test you see one question at a time, so pacing has to be deliberate. With 120 questions in our 3-hour practice format, the average is 90 seconds each, but recall items should take far less so harder numericals can take more. The official exam is generally organised as a combined English, Physics and Chemistry paper plus a separate Mathematics or Biology paper, so check the published schedule for how time is split in your year.

Use a two-pass method. On the first pass, answer everything you can solve within about a minute and flag the rest. On the second pass, return to flagged questions, closest-to-solved first. Our practice interface shows a question grid with answered, skipped and flagged states, so you can build this habit in advance.

Do not let one question take more than about three minutes, because stubbornness can cost you several easy questions at the end. Check the clock at the halfway question, and if you are behind, speed up on recall items rather than rushing calculations.

An error log is a notebook or spreadsheet where every wrong or skipped question from a drill or mock gets one line. It turns vague feelings such as 'I am weak in Physics' into specific, fixable items such as 'I keep mixing up the series and parallel formulas for capacitors'.

Classify each entry by cause, because the cure depends on it. Re-solve each entry fresh after three days and again after ten, and close it once you get it right twice in a row.

• Concept gap: you did not know the idea. Go back to the textbook chapter.
• Method gap: you knew the idea but not how to apply it. Solve five similar questions.
• Careless slip: you knew it but misread or miscalculated. Slow down on that question type.
• Time pressure: you ran out of time. Practise that type in one-minute subject drills.

Tip: Write your own formula sheet for each subject by hand during Phase 1. Producing it is revision in itself, and it becomes the main thing you read in the final week.

In the last week, stop starting new chapters, because new material at this stage tends to unsettle what you already know. Spend the time on your error log, your formula sheets and one final full mock early in the week.

Prepare your exam-day kit two days ahead: a printout of your e-admit card and your original passport or citizenship certificate, because candidates without them are not let in. Plan to reach the centre about 90 minutes before the start time to allow for entry formalities and security checks. Confirm all of this against your admit card, since official instructions take priority over any guide.