IB Psychology SL Grade Boundaries 2025

2 min read

Introduction

IB Psychology SL introduces students to the study of human behavior through biological, cognitive, and sociocultural lenses. The course emphasizes research, case studies, and critical evaluation of psychological theories.

Understanding the grade boundaries is key to planning your exam strategy. Below are the official IB Psychology SL grade boundaries for 2025 (Timezone 0).

Quick Start Checklist for Psychology SL

  • ✅ Learn at least two studies per approach (biological, cognitive, sociocultural)
  • ✅ Practice structuring short-answer and essay responses clearly
  • ✅ Review command terms (e.g., "discuss," "evaluate," "explain") carefully
  • ✅ Strengthen IA methodology and analysis to maximize marks
  • ✅ Use grade boundaries to track progress toward your target grade

IB Psychology SL 2025 Grade Boundaries

Internal Assessment (out of 22)

  • Grade 7: 17–22
  • Grade 6: 14–16
  • Grade 5: 12–13
  • Grade 4: 9–11
  • Grade 3: 6–8
  • Grade 2: 3–5
  • Grade 1: 0–2

Paper One (out of 49)

  • Grade 7: 35–49
  • Grade 6: 29–34
  • Grade 5: 22–28
  • Grade 4: 16–21
  • Grade 3: 9–15
  • Grade 2: 5–8
  • Grade 1: 0–4

Paper Two (out of 22)

  • Grade 7: 18–22
  • Grade 6: 15–17
  • Grade 5: 13–14
  • Grade 4: 10–12
  • Grade 3: 7–9
  • Grade 2: 4–6
  • Grade 1: 0–3

Final IB Psychology SL Grade Boundaries (out of 100)

  • Grade 7: 73–100
  • Grade 6: 60–72
  • Grade 5: 49–59
  • Grade 4: 36–48
  • Grade 3: 22–35
  • Grade 2: 11–21
  • Grade 1: 0–10

Tips for Scoring a 7 in IB Psychology SL

  • Know your studies well: Quality is better than quantity—choose versatile examples.
  • Answer the command terms: Tailor your response to the exact wording of the question.
  • Write concise essays: Stay focused—avoid long tangents.
  • Practice past papers: Timing is key for Paper 1 essays and Paper 2 options.
  • Polish your IA: A well-structured IA with clear methodology can push your grade up.

Conclusion

The 2025 IB Psychology SL grade boundaries clarify how marks translate into final grades. With targeted study, practice, and strong exam technique, you can maximize your chances of scoring a 7 in IB Psychology SL.

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