If you are applying to a Saudi university, GAT (Qudurat) and Tahsili can appear beside one another in the same admissions checklist. That does not mean they are two versions of the same test, and studying for them with the same method is one of the easiest ways to waste time.
The short answer is this: GAT / Qudurat is an aptitude test. It asks you to reason with verbal and quantitative information. Tahsili is an achievement test. It assesses what you learned in secondary-school subjects. Saudi Arabia's National Platform description of Qiyas tests makes the distinction directly: GAT measures learning-related analytical and deductive abilities through verbal and quantitative sections, while the Academic Achievement Test is a standardized assessment of secondary-school achievement.
That distinction changes the question you should ask each day. A weak Tahsili chemistry result may call for targeted review of a chapter and its school concepts. A weak Qudurat verbal result calls for repeated reasoning practice, answer analysis, and timed execution—not rereading a textbook. This guide explains how to tell the tests apart, choose a defensible study split, and protect yourself from advice that treats a university's admission formula as a national rule.
First, name the two tests correctly
Qiyas is the assessment center within Saudi Arabia's Education and Training Evaluation Commission (ETEC); it is not the name of one single test. Start with the full label in the university's current admissions guide and then match it to the product displayed in your official Qiyas account.
| If the guide says | It is usually referring to | What you should prepare |
|---|---|---|
| General Aptitude Test, GAT, Qudurat, or اختبار القدرات العامة | The undergraduate aptitude test for secondary-school candidates | Verbal and quantitative reasoning |
| Academic Achievement Test, Tahsili, or اختبار التحصيل الدراسي | The secondary-school achievement test | The relevant school-subject knowledge and questions |
| STEP | A separate English-proficiency assessment | English-language skills, not GAT verbal reasoning |
| General Aptitude Test for University Graduates | A postgraduate product | Do not substitute it for secondary-school Qudurat |
ETEC's current Mustaqbalhum program page describes GAT as measuring learning-related abilities such as analysis and reasoning for high-school graduates seeking higher education. The same page describes Tahsili as one of the university-admission assessments concerned with subjects studied in secondary school. If your prospective program says it needs a GAT result, a Tahsili score is not a substitute; if it names Tahsili, a strong GAT score does not demonstrate the same thing.
The practical difference: skill practice versus knowledge retrieval
The most useful way to compare the tests is not a long list of rumors about difficulty. It is to identify the evidence a question demands.
GAT / Qudurat: can you reason with unfamiliar material?
ETEC's official General Aptitude Test candidate guide says the test measures comprehension, application, inference, and analysis through language and mathematics content. In practice, that means you must decide what a word relationship is, what a passage supports, what an equation implies, or which quantitative comparison follows from the facts given.
A GAT error should therefore be labeled by reason, not just by topic. Did you miss the relationship in a verbal analogy? Read too quickly and choose a word that appeared in the passage? Build an equation when an estimate or trial value would have worked? Run out of time because you tried to solve every item perfectly? Those diagnoses lead to different practice.
Tahsili: can you retrieve and apply what secondary school taught?
Tahsili is not a second quantitative-reasoning paper. The National Platform describes it as a standardized assessment for secondary-school graduates that helps higher-education institutions identify students with strong academic performance in the secondary curriculum. ETEC's GAT guide contrasts the two tests explicitly: GAT is concerned with developed mental abilities, while Tahsili measures knowledge gained from school subjects.
That does not mean Tahsili preparation is passive memorization. Good achievement-test practice still requires solving, choosing among plausible answers, and working under time pressure. The difference is where your review starts. For Tahsili, start with the named subject concept, formula, definition, process, or unit that made the question hard. For GAT, start with the reasoning move that the question required.
Here is a quick diagnostic:
| After a missed question, ask yourself | If the honest answer is “yes” | Your next step |
|---|---|---|
| “I did not know or remember the underlying school concept.” | Usually a Tahsili-type gap | Relearn that concept, then solve a small set of application questions |
| “I knew the content but misread the relationship, condition, or evidence.” | Usually a GAT-type gap | Annotate the reasoning error and drill that item type untimed, then timed |
| “I could solve it at home but not under the section clock.” | Execution gap on either test | Run a short timed set and review the decision point, not just the answer |
| “I am not sure which test this question belongs to.” | Product-identification gap | Return to the university guide and official test description before buying material |
Why one generic study schedule fails
Commercial pages often state one percentage for how much GAT “counts” in admission. Treat that as an example, never as a promise. The score weight, minimums, accepted tests, graduation-date rules, and application deadline belong to the university and program—not to a prep provider and not to ETEC. The official ETEC role is to administer the assessment; the institution decides its own admission formula.
For example, a candidate could find that a target program gives substantial weight to GAT, while another program treats it as a smaller part of a composite alongside high-school grades and Tahsili. The same six-point improvement in Qudurat then changes the two applications by different amounts. Before assigning a single study hour, make a one-page admissions sheet for every realistic target program:
- copy the program's current GAT requirement and weight;
- copy its Tahsili requirement and weight;
- record any separate English, interview, portfolio, medical, or eligibility requirement;
- write the final date by which the result, not merely the appointment, must be available; and
- link or save the official admissions notice beside the number.
Do not rely on a social post or a previous admissions cycle. University requirements can change, and one school may use a different formula for a particular college or applicant group. If the official notice is unclear, contact the admissions office and preserve the response.
A study split that responds to evidence
Once you have confirmed the actual requirements, use both admission leverage and diagnostic weakness. Neither one alone is enough. Putting every hour into the more heavily weighted test is unwise if your score is already stable there and a basic weakness is suppressing the other result. Equally, following only the subject you enjoy can leave a high-value component untouched.
Use this four-step method.
1. Establish a clean starting point
Record more than a raw percentage. For each set, write the topic or reasoning type, whether you ran out of time, your selected answer, why it was wrong, and the correct method. A score without an error log is too vague to plan from.
2. Calculate the potential admissions impact
For a program whose published formula gives GAT a weight of w, an expected GAT improvement of d points changes the composite by w × d points when the formula uses the same 0–100 scale. A five-point GAT gain at 30% contributes 1.5 composite points; the same gain at 50% contributes 2.5 points. Run the same calculation for Tahsili only after confirming that program's official formula and scale.
This calculation is not a prediction of admission. It is a way to avoid saying “every point matters” without measuring how much it matters for your own program. A score target still depends on competition, available seats, other criteria, and the current admissions cycle.
3. Assign the next two weeks, not the whole year
A practical first allocation is a two-week experiment, then a revision based on results. If GAT and Tahsili have similar leverage, begin near an even split. If one component has clearly more leverage and a documented weakness, give it more time—but keep a maintenance session for the other test.
| Candidate situation | Two-week starting allocation | What to measure at the end |
|---|---|---|
| Similar official weights; weaknesses on both tests | 3 GAT sessions and 3 Tahsili sessions each week | Accuracy and timing trend for each, plus error-pattern changes |
| GAT has higher confirmed leverage and weak timed reasoning | 4 GAT sessions and 2 Tahsili sessions each week | Whether GAT errors are shrinking by item type, not just one lucky score |
| Tahsili has higher confirmed leverage and missing subject foundations | 2 GAT maintenance sessions and 4 Tahsili concept/practice sessions each week | Whether missed Tahsili questions now trace to fewer recurring concepts |
| Deadline is close and one required result is not yet available | Prioritize the missing result's official timeline and readiness, while maintaining the other | Registration confirmation, result buffer, and simulated-test stability |
Sessions need not be long to be useful. A strong GAT session might be 25 minutes of one reasoning skill, 25 minutes of timed mixed items, and 20 minutes of review. A strong Tahsili session might be 30 minutes rebuilding one concept, 30 minutes applying it, and 15 minutes correcting the error log. The point is that the review task follows the exam's purpose.
4. Reallocate only after review
At the end of two weeks, look for repeat evidence. If GAT misses continue to cluster in reading inference, change the verbal practice block; do not simply add more random questions. If Tahsili misses cluster in a particular subject unit, rebuild that unit before another full mock. If scores fall only when timed, introduce shorter section simulations before taking another diagnostic.
A plan that is never changed is a calendar, not a study strategy.
Common mistakes when preparing for both tests
Treating GAT as a miniature Tahsili. Repeating school notes can build useful mathematics fluency, but it does not replace practice with verbal relationships, inference, comparison, and time management. The official GAT guide's description of comprehension and analysis is a reminder to practice those operations directly.
Treating Tahsili as “just IQ.” If the difficulty is an unlearned school concept, more generic aptitude questions will not repair it. Identify the subject gap and study that content before testing it again.
Using one score target for every university. An 80 or 90 is not a universal admission guarantee. Requirements belong to an institution and may change by program and cycle. Use the current official guide for each target.
Confusing STEP with English-language GAT preparation. STEP is a distinct English-proficiency test. An English-medium program may require a separate language credential in addition to Qudurat and Tahsili; check the exact program, not a general university reputation.
Waiting to verify the product until after studying. Check the complete test name, format, language, and appointment through the official ETEC registration platform before treating any third-party calendar, screenshot, or sales page as authoritative. The Qiyas registration, results, and retake guide gives the operational checklist for that step.
A simple final-week decision rule
During the final week, do not try to make both tests feel equally familiar. Use your admissions sheet and error log. Work first on the test with the nearest confirmed deadline or greatest realistic admission leverage, then select the smallest set of recurring errors that can still move the result. For GAT, that may mean timed verbal inference and quantitative comparison. For Tahsili, it may mean the two subject units producing the most repeat errors.
Finish every study block with one sentence: “On this test, I lost marks because ___; next I will ___.” If you cannot fill it in clearly, the next action is diagnosis—not another random mock.
Qudurat and Tahsili belong in the same application plan, but they should not share one vague preparation method. Confirm the exact official requirements, diagnose each test by the evidence it asks for, allocate two weeks at a time, and adjust from real error patterns. That approach is more reliable than copying a course seller's universal schedule and gives every hour a stated admissions purpose.