CSAT (College Scholastic Ability Test (수능)) — Free Online Mock Test

CSAT exam at a glance

CSAT section breakdown

The CSAT mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.

• Korean Language 국어 (45 Q)
  45 questions · 80 minutes · ~107 sec/question
• Mathematics 수학 (45 Q)
  45 questions · 100 minutes · ~133 sec/question
• English 영어 (45 Q)
  45 questions · 70 minutes · ~93 sec/question

CSAT scoring & marking scheme

Strategy: CSAT has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.

Scale: CSAT (0-300).

How CSAT is conducted

• Mode
  Standard — practice without proctoring on Wrexa Edge, or enable optional webcam proctoring to simulate test-day conditions.
• Test format
  Linear / fixed-form — every candidate sees the same number of questions per section.
• Backtracking
  Allowed — you can revisit and change answers within a section.
• Mark for review
  Available — flag tough questions and return to them before submitting the section.

CSAT time strategy

With 135 questions in 250 minutes, you have about 111 seconds per question on average. Successful candidates aim for the following pacing on each section:

• Korean Language 국어 (45 Q)
  Target ~107 sec/question. If a question takes more than 161 seconds, mark for review and move on.
• Mathematics 수학 (45 Q)
  Target ~133 sec/question. If a question takes more than 200 seconds, mark for review and move on.
• English 영어 (45 Q)
  Target ~93 sec/question. If a question takes more than 140 seconds, mark for review and move on.

Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.

CSAT topics covered

Across the 50 Wrexa Edge variants of CSAT, the following topics appear most often (sample distribution from one variant):

Korean Language 국어 (45 Q)

• Korean · 45

Mathematics 수학 (45 Q)

• Algebra — Quadratics · 3
• Algebra — Systems · 3
• Algebra — Exponents · 3
• Algebra — Inequalities · 3
• Algebra — Functions · 3
• Geometry — Circles · 3
• Geometry — Triangles · 3
• Geometry — Rectangles · 3

English 영어 (45 Q)

• Reading — Trade History · 3
• Reading — Vaccines · 3
• Reading — Marine Biology · 3
• Reading — Neural Networks · 3
• Grammar — Subject-Verb Agreement · 3
• Grammar — Tense · 3
• Grammar — Pronouns · 3
• Grammar — Usage & Confused Words · 3

Sample CSAT questions

A preview of real practice questions from the Wrexa Edge CSAT bank — the same style, phrasing and difficulty you'll face on test day. Full solutions unlock free inside the mock.

These are a handful of the 6750 unique CSAT questions across all 50 Wrexa Edge variants — start a free mock to attempt the full set with instant scoring.

CSAT difficulty calibration

Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.

Korean (45 Q), Math (45 Q), English (45 Q). 135 total. Scaled 0-300. · Official language: Korean (한국어).

Verified content — Wrexa Edge's CSAT bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).

How Wrexa Edge prepares you for CSAT

• Real test-day interface
  Our sat skin mirrors the actual CSAT testing software — same timer, palette, tools, and navigation.
• 50 distinct variants
  6750 unique practice questions, each variant a fresh test — not just shuffled options.
• Detailed analytics
  Scaled score, section accuracy, topic-wise heatmap, time-per-question — see where to focus after every attempt.
• Spaced repetition (Notebook)
  Wrong answers and flagged questions flow into an SM-2 spaced-repetition deck so you actually retain what you learn.
• Optional proctoring
  Browser-based face-api detection (no install) — turn it on to simulate a high-stakes environment.
• Free to start
  No credit card. Sign up, pick a variant, and your first CSAT mock starts in under a minute.

CSAT study plan

A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.

Where CSAT can take you

A strong CSAT result opens up these careers and higher-study paths:

• Professional degree programmes
  Admission into engineering, science and professional courses at leading universities.
• Research & higher studies
  A strong result opens postgraduate study, research assistantships and study-abroad pathways.
• Campus placements
  Top institutions bring recruiters from industry, PSUs and global companies to campus.

Frequently asked questions

What is the CSAT exam pattern?

College Scholastic Ability Test (수능) contains 135 questions across 3 sections: Korean Language 국어 (45 Q), Mathematics 수학 (45 Q), English 영어 (45 Q). Total duration is 250 minutes (about 111 seconds per question).

Does CSAT have negative marking?

No — CSAT has no negative marking. Each correct answer is worth 1 mark, so attempt every question.

How is CSAT scored?

Scaled score range: 0 to 300. CSAT (0-300).

How can I practise CSAT online for free?

Wrexa Edge gives you 10 free full-length CSAT mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.

What is the difficulty level of CSAT?

CSAT is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. Korean (45 Q), Math (45 Q), English (45 Q). 135 total. Scaled 0-300. · Official language: Korean (한국어).

How long is the CSAT exam?

CSAT runs for 250 minutes total across 3 sections. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.

What topics are covered in CSAT?

CSAT is split into: Korean Language 국어 (45 Q), Mathematics 수학 (45 Q), English 영어 (45 Q). Each section is timed and weighted separately. Korean (45 Q), Math (45 Q), English (45 Q). 135 total. Scaled 0-300. · Official language: Korean (한국어).

What tools or aids are allowed during CSAT?

No special tools are required.

Is the CSAT test adaptive?

No — CSAT is a fixed-form (linear) test. Every candidate sees the same number of questions per section.

How many CSAT mock tests does Wrexa Edge offer?

Wrexa Edge generates 50 distinct CSAT variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 6750 unique practice questions in the real test-day interface.

Is there a free CSAT test series 2026?

Yes. The Wrexa Edge CSAT test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.

Are CSAT previous year question–style papers included?

Every CSAT mock is modelled on the official exam pattern and the style of previous years' papers — the same 135-question structure, sections and marking — so your practice mirrors the real paper you'll sit.

Which is the best free CSAT mock test online?

Wrexa Edge's CSAT mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.

Can I take the CSAT mock test on mobile?

Yes. CSAT mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.

What is the CSAT syllabus?

The CSAT syllabus maps to its 3 sections: Korean Language 국어 (45 Q), Mathematics 수학 (45 Q), English 영어 (45 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.

What is the eligibility for CSAT?

Eligibility for CSAT — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic CSAT practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.

When is the CSAT exam and how should I prepare?

Official CSAT exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 10 free CSAT mocks with instant scoring so you can track your readiness week by week.

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