Can You Get a 7 on Most IB Exams If You Get 80% Correct? – IB Grading Demystified

RevisionDojo
3 min read

Quick Answer: In Many Subjects, Yes—80% Can Be Enough for a 7

Scoring 80% or above on an IB exam often places you within the range needed for a level 7, especially in subjects where the grade boundaries are tight. However, this varies by subject, exam paper, and year.

📘 What Is a 7 in the IB?

In the IB Diploma Programme, subject grades range from 1 (lowest) to 7 (highest). A 7 means “excellent performance”—usually achieved by the top 5–7% of students globally.

🧮 How Are IB Grades Calculated?

Your final score per subject includes:

  • External exams (Paper 1, 2, 3) – ~70–80% of total score
  • Internal Assessment (IA) – ~20–30% of total score
  • Weightings vary by subject and level (SL vs HL)

🎯 Typical Score Ranges for a Level 7

SubjectApprox. % Needed for a 7

Math AA HL 75–85%

Biology SL 80–90%

Economics HL 75–85%

English Literature 80–85% (strong essay scores)

History HL 70–80%

Physics HL75–85%

Note: Boundaries change slightly each year based on global performance.

🔍 Why 80% Isn’t Always Enough—or Always Required

  • Some harder subjects (like Math HL or Physics HL) may award a 7 with as low as 72–75%
  • In easier-marking years or lower-curve subjects, you might need closer to 85–90%
  • Internal Assessment scores can significantly boost or lower your final grade

💡 Tips to Aim for a 7

1. Maximize IA Scores

Internal assessments are predictable and controllable—do well here to give yourself a cushion.

2. Master Command Terms

Understanding exactly what the IB expects in responses is key—especially in essay-based subjects.

3. Use Markschemes and Past Papers

Grade boundaries are just numbers—train your accuracy using real examiner markschemes.

4. Study Smart, Not Just Hard

Focus on high-frequency topics, exam timing, and common pitfalls in each subject.

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Want to turn your 70% into a 7? RevisionDojo gives you:

  • ✅ Full walkthroughs of HL/SL exams
  • ✅ IA, EE, and TOK templates with real examiner feedback
  • ✅ Grade boundary trackers and mark breakdown tools
  • ✅ Subject-specific study plans to hit the 7 zone

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FAQs: IB Exam Percentages and 7s

Is 80% always enough for a 7?

No—but in most subjects, it puts you very close or within range. Always check subject-specific grade boundaries.

Can I get a 7 if I do badly on one paper?

Yes—if you do well on other papers and your IA, it can balance out.

What’s the average score needed for a 6?

Usually between 65% and 75%, depending on the subject.

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