Mock exams · ESS

IB ESS HL Mock Exams

Higher Level Paper 1 and Paper 2 mocks for IB Environmental Systems and Societies. The extended HL papers (2 hours + 2.5 hours) with two Section B essays and the deeper HL synthesis demands, graded instantly against the HL mark scheme — plus a personalised study plan.

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02—The format

ESS Paper Breakdown

Know the format inside-out so you can allocate your time and tailor your revision to each paper type.

Paper 1

SL + HL

1 hour (SL) / 2 hours (HL) · 25% SL / 30% HL

Short-answer and data-based questions covering the entire syllabus. Answer all questions. A resource booklet with source material is provided.

Data responseShort answer

Paper 2

SL + HL

2 hours (SL) / 2 hours 30 minutes (HL) · 50% SL and HL

Section A: compulsory short-answer and data-based questions. Section B: extended-response essays — SL chooses 1, HL chooses 2.

Data analysisStructured responseExtended response (essay)

03—The papers

Available ESS HL Mock Exams

22 HL mock exams ready to practice. Browse for free, then start a timed session with a subscription.

Paper 1

11

ESS HL — Full Mock 1: Paper 1 (Kenya)

HL

Full-syllabus Paper 1 in the May 2026 shape: 70 marks, 120 minutes, a Kenya case study with a 25-figure resource booklet of real, sourced data, testing every unit of the course.

2h · 70 marks · Kenya

ESS HL — Full Mock 2: Paper 1 (Vietnam)

HL

Full-syllabus Paper 1 in the May 2026 shape: 70 marks, 120 minutes, a Vietnam case study across all eight units with a 27-figure resource booklet of real, sourced data.

2h · 70 marks · Vietnam

ESS HL — Unit 1 Mock: Paper 1 (Foundation)

HL

Unit 1 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, an Ecuador (Yasuní) case study with a 28-figure resource booklet of real, sourced data.

2h · 70 marks · Ecuador

ESS HL — Unit 2 Mock: Paper 1 (Ecology — Yellowstone)

HL

Unit 2 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, a Yellowstone National Park case study with a 22-figure resource booklet of real, sourced data.

2h · 70 marks · United States

ESS HL — Unit 3 Mock: Paper 1 (Biodiversity — Borneo)

HL

Unit 3 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, a Borneo case study with a 26-figure resource booklet of real, sourced data.

2h · 70 marks · Borneo (Indonesia, Malaysia, Brunei)

ESS HL — Unit 4 Mock: Paper 1 (Water — Lake Erie)

HL

Unit 4 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, a Lake Erie case study with a 18-figure resource booklet of real, sourced data.

2h · 70 marks · Lake Erie (Canada and the United States)

ESS HL — Unit 5 Mock: Paper 1 (Soil and Food — the Loess Plateau)

HL

Unit 5 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, a Loess Plateau case study with a 15-figure resource booklet of real, sourced data.

2h · 70 marks · China (the Loess Plateau)

ESS HL — Unit 6 Mock: Paper 1 (Atmosphere and Climate Change — Australia)

HL

Unit 6 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, an Australia case study with a 16-figure resource booklet of real, sourced data.

2h · 70 marks · Australia

ESS HL — Unit 7 Mock: Paper 1 (Natural Resources — Norway)

HL

Unit 7 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, a Norway case study with a 20-figure resource booklet of real, sourced data.

2h · 70 marks · Norway

ESS HL — Unit 8 Mock: Paper 1 (Human Populations and Urban Systems — India)

HL

Unit 8 Paper 1 in the May 2026 shape: 70 marks, 120 minutes, an India case study with a 17-figure resource booklet of real, sourced data.

2h · 70 marks · India

ESS HL Paper 1 - Madagascar: Biodiversity and Sustainable Development

HL

IB ESS Higher Level Paper 1 Practice Exam based on Madagascar case study. Topics: Climate/biomes (2.4), Human populations (8.1-8.2), Energy (7.1-7.2), Pollution (6.1-6.2), Water (4.1-4.2), Biodiversity/Conservation (3.1-3.4), Carbon cycle/climate change (5.2-5.3), Sustainability (1.3-1.4). All questions compulsory. Total: 70 marks. Duration: 1 hour.

2h · 70 marks · Madagascar

Paper 2

11

ESS HL — Full Mock 1: Paper 2

HL

Full-syllabus Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (the low-oxygen zone in the Gulf of Mexico, methane, the Living Planet Index, the Aral Sea). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9], each (c) through an HL lens; answer two.

2h 30min · 80 marks

ESS HL — Full Mock 2: Paper 2

HL

Full-syllabus Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (the Antarctic ozone hole, the world's forests, the Living Planet Index, municipal solid waste). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 1 Mock: Paper 2 (Foundation)

HL

Unit 1 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data. Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 2 Mock: Paper 2 (Ecology)

HL

Unit 2 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (El Niño, energy flow, wolves and moose, the nitrogen cycle). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 3 Mock: Paper 2 (Biodiversity & conservation)

HL

Unit 3 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (mass extinctions, dung beetles in forest and oil palm, the IUCN Red List, biodiversity hotspots). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 4 Mock: Paper 2 (Water)

HL

Unit 4 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (ocean acidification, world aquaculture and capture fisheries, freshwater use and safe drinking water, sharing the Nile). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 5 Mock: Paper 2 (Soil and Food)

HL

Unit 5 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (emissions by stage of the food supply chain, food waste, the causes of soil degradation, hunger and malnutrition). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 6 Mock: Paper 2 (Atmosphere and Climate Change)

HL

Unit 6 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (IPCC scenarios, responsibility by country, carbon dioxide and temperature by decade, ozone, UV and cooling). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 7 Mock: Paper 2 (Natural Resources)

HL

Unit 7 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (battery minerals, fossil fuel reserves and gas supply, world energy by source, plastic waste). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL — Unit 8 Mock: Paper 2 (Human Populations and Urban Systems)

HL

Unit 8 Paper 2 in the May 2026 shape. Section A (40 marks, answer all): four data questions on real published data (dependency and population momentum, environmental migration and Earth's limits, world population and UN projections, sulfur dioxide in the United Kingdom). Section B (40 marks): three essays of (a) [4], (b) [7] and (c) [9]; answer two.

2h 30min · 80 marks

ESS HL Paper 2 Mock Exam

HL

IB ESS Higher Level Paper 2 Practice Exam. Section A: 4 compulsory data-based questions (40 marks). Section B: Choose 2 from 3 extended-response questions (40 marks). Each Section B question: (a) [4], (b) [7], (c) [9] using markbands. Total: 80 marks. Duration: 2 hours 30 minutes.

2h 30min · 80 marks

04—Why

Why Practice ESS Mock Exams?

  • Build familiarity with IB ESS question formats before the real exam
  • Master the 1-mark-per-minute pacing that IB examiners expect
  • Identify weak ESS topics so you can target your revision effectively
  • Learn what IB examiners look for in top-scoring environmental responses
  • Practice data analysis and graph interpretation under timed conditions
  • Reduce ESS exam anxiety through repeated realistic practice

05—Tips

ESS Exam Tips from Top Scorers

Use the 1-min-per-mark rule

A 6-mark question deserves 6 minutes. This prevents spending too long on Section A and running out of time for the essay.

Name real examples

IB ESS examiners reward specific, named case studies (e.g., "Costa Rica's Payment for Ecosystem Services") rather than generic statements.

Define before you explain

Start every extended response by defining the key environmental concept. This picks up easy marks and structures your answer.

Quote data with units

In data-response questions, always cite figures from the source: "CO₂ emissions rose from 350 to 410 ppm between 1990 and 2020."

Compared

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FAQ

ESS Mock Exams — FAQ

How many IB ESS mock exams are available?
We have multiple ESS mock exams covering Paper 1 and Paper 2, with new papers added regularly. Each exam uses a different case study and topic focus.
Are your ESS mock exams aligned with the latest syllabus?
Yes — all ESS mock papers are written to match the current IB ESS syllabus, including the 2026 first-assessment changes. Questions cover all 8 topics and use authentic IB command terms.
Can I practice just ESS Paper 1 or Paper 2 separately?
Absolutely. Each paper type is offered as a separate mock exam so you can focus on data response and short-answer questions (Paper 1) or extended essays (Paper 2) independently.
What feedback do I get after completing an ESS mock?
You receive instant AI grading with marks per question, examiner-style feedback explaining what you did well and what to improve, plus an automatic study plan targeting your weakest ESS topics.

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