PAES (Prueba de Acceso a la Educación Superior (Chile)) — Free Online Mock Test

PAES exam at a glance

PAES full-length mock tests

Attempt 50 full-length PAES mock tests, each a distinct question set built on the real 230-question, 520-minute pattern — with instant scoring and section-wise analysis. The first 3 are free.

PAES key facts & eligibility

Who is eligible for PAES?

Students who have completed (or are completing) secondary education and are applying to universities in Chile’s national admission system.

Last verified July 2026 against DEMRE — official website. Always confirm current details on the official website before you register.

PAES section breakdown

The PAES 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.

• Comprensión Lectora (65 Q)
  65 questions · 150 minutes · ~138 sec/question
• Competencia Matemática 1 (65 Q)
  65 questions · 140 minutes · ~129 sec/question
• Competencia Matemática 2 (55 Q)
  55 questions · 140 minutes · ~153 sec/question
• Historia y Cs. Sociales (45 Q)
  45 questions · 90 minutes · ~120 sec/question

PAES scoring & marking scheme

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

Scale: PAES (scaled 100-1000 per area).

How PAES 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.

PAES time strategy

With 230 questions in 520 minutes, you have about 136 seconds per question on average. Successful candidates aim for the following pacing on each section:

• Comprensión Lectora (65 Q)
  Target ~138 sec/question. If a question takes more than 207 seconds, mark for review and move on.
• Competencia Matemática 1 (65 Q)
  Target ~129 sec/question. If a question takes more than 194 seconds, mark for review and move on.
• Competencia Matemática 2 (55 Q)
  Target ~153 sec/question. If a question takes more than 230 seconds, mark for review and move on.
• Historia y Cs. Sociales (45 Q)
  Target ~120 sec/question. If a question takes more than 180 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.

PAES topics covered

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

Comprensión Lectora (65 Q)

• Vocabulary — Synonyms · 20
• Reading — Vaccines · 6
• Reading — Plate Tectonics · 6
• Reading — Neural Networks · 5
• Reading — Photosynthesis · 5
• Reading — Industrialisation · 5
• Reading — Trade History · 4
• Reading — Marine Biology · 3

Competencia Matemática 1 (65 Q)

• Algebra — Quadratics · 5
• Algebra — Systems · 5
• Algebra — Exponents · 5
• Algebra — Inequalities · 5
• Algebra — Functions · 5
• Geometry — Circles · 4
• Geometry — Triangles · 4
• Geometry — Rectangles · 4

Competencia Matemática 2 (55 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

Historia y Cs. Sociales (45 Q)

• PAES — Régimen militar · 1
• PAES — Transición · 1
• PAES — Guerra del Pacífico · 1
• JAMB — Nigerian Independence · 1
• JAMB — Civil War · 1
• JAMB — Constitution · 1
• JAMB — Regional Integration · 1
• KCSE — Independence · 1

PAES difficulty calibration

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

Chile's university admission test (DEMRE), replacing the PSU since 2022. Three obligatorias + one electiva: Comprensión Lectora (65 Q · 2h30), Competencia Matemática 1 (65 Q · 2h20), Competencia Matemática 2 (55 Q · 2h20 — for engineering/science), Ciencias OR Historia y Cs. Sociales (80 Q · 2h40). Scaled 100–1000 per paper. · Official language: Spanish (Español).

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

How Wrexa Edge prepares you for PAES

• Real test-day interface
  Our sat skin mirrors the actual PAES testing software — same timer, palette, tools, and navigation.
• 50 distinct variants
  11500 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 PAES mock starts in under a minute.

Expert take: what PAES really tests

PAES is Chile’s national admission test (replacing the PSU/PDT): mandatory Competencia Lectora and Matemática (M1) plus electives (M2, Ciencias, Historia), scored on a normalised 100–1000 scale. Universities weight the tests differently by programme, so your strategy depends on your target careers.

PAES 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 PAES can take you

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

• Chilean university admission
  PAES is Chile’s national admission test for the centralised university system.
• Weighted programme selection
  Universities weight the tests differently by programme to set admission scores.
• Replaced the PSU/PDT
  The current standardised exam for entry to Chilean higher education.
• Higher-education gateway
  Strong scores open competitive universities and careers.

Best books & official prep for PAES

• Temarios y modelos oficiales DEMRE — DEMRE
  DEMRE publishes the official syllabi and model tests for every PAES test — the authoritative source.
• PAES practice tests (ensayos) — Various
  Timed practice for Competencia Lectora and Matemática and your electives.

Official practice: Work the official DEMRE temarios and model tests; confirm which electives (M2, Ciencias, Historia) your target programmes require, and practise Competencia Lectora and Matemática under time.

Previous-year papers: DEMRE publishes official model tests and past PAES/PDT materials that closely match the exam.

Frequently asked questions

What is the PAES exam pattern?

Prueba de Acceso a la Educación Superior (Chile) contains 230 questions across 4 sections: Comprensión Lectora (65 Q), Competencia Matemática 1 (65 Q), Competencia Matemática 2 (55 Q), Historia y Cs. Sociales (45 Q). Total duration is 520 minutes (about 136 seconds per question).

Does PAES have negative marking?

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

How is PAES scored?

Scaled score range: 0 to 1000. PAES (scaled 100-1000 per area).

How can I practise PAES online for free?

Wrexa Edge gives you 3 free full-length PAES mock tests — with instant scoring, detailed explanations and analytics — plus 47 more with Pro. Start practising in under a minute, no card required.

What is the difficulty level of PAES?

PAES is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. Chile's university admission test (DEMRE), replacing the PSU since 2022. Three obligatorias + one electiva: Comprensión Lectora (65 Q · 2h30), Competencia Matemática 1 (65 Q · 2h20), Competencia Matemática 2 (55 Q · 2h20 — for engineering/science), Ciencias OR Historia y Cs. Sociales (80 Q · 2h40). Scaled 100–1000 per paper. · Official language: Spanish (Español).

How long is the PAES exam?

PAES runs for 520 minutes total across 4 sections. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.

What topics are covered in PAES?

PAES is split into: Comprensión Lectora (65 Q), Competencia Matemática 1 (65 Q), Competencia Matemática 2 (55 Q), Historia y Cs. Sociales (45 Q). Each section is timed and weighted separately. Chile's university admission test (DEMRE), replacing the PSU since 2022. Three obligatorias + one electiva: Comprensión Lectora (65 Q · 2h30), Competencia Matemática 1 (65 Q · 2h20), Competencia Matemática 2 (55 Q · 2h20 — for engineering/science), Ciencias OR Historia y Cs. Sociales (80 Q · 2h40). Scaled 100–1000 per paper. · Official language: Spanish (Español).

What tools or aids are allowed during PAES?

No special tools are required.

Is the PAES test adaptive?

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

How many PAES mock tests does Wrexa Edge offer?

Wrexa Edge generates 50 distinct PAES variants — each with different question content, not just shuffled options — the first 3 free for everyone and 47 more with Pro. That's 11500 unique practice questions in the real test-day interface.

Is there a free PAES test series 2026?

Yes. The Wrexa Edge PAES test series for 2026 gives you 3 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.

Are PAES previous year question–style papers included?

Every PAES mock is modelled on the official exam pattern and the style of previous years' papers — the same 230-question structure, sections and marking — so your practice mirrors the real paper you'll sit.

Which is the best free PAES mock test online?

Wrexa Edge's PAES 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 PAES mock test on mobile?

Yes. PAES 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 PAES syllabus?

The PAES syllabus maps to its 4 sections: Comprensión Lectora (65 Q), Competencia Matemática 1 (65 Q), Competencia Matemática 2 (55 Q), Historia y Cs. Sociales (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 PAES?

Students who have completed (or are completing) secondary education and are applying to universities in Chile’s national admission system. Wrexa Edge focuses on realistic PAES practice: 3 free full-length mocks in the exact exam pattern, ready whenever you are.

When is the PAES exam and how should I prepare?

Official PAES 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 3 free PAES mocks with instant scoring so you can track your readiness week by week.

Related exams & practice tests

Candidates preparing for PAES also practise these on Wrexa Edge:

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• Exam calendar 2026

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