IB Economics SL Grade Boundaries 2025 (TZ1)

A calm truth about IB grades (and why boundaries matter)

In the IB, the scariest moment often isn’t the exam itself. It’s the quiet minute afterward, when you start doing mental arithmetic: “Was that a 6? Did I just slip to a 5?”

That’s why IB grade boundaries matter. They turn your raw marks from the Internal Assessment (IA), Paper 1, and Paper 2 into the final 1--7 you care about. And for IB Economics SL Grade Boundaries 2025 (Timezone 1), having the table in front of you makes revision feel less like guessing and more like planning.

Quick checklist before you memorise any numbers

Use this IB-friendly checklist to keep boundaries useful (not anxiety-fuel):

• Convert boundaries into targets (aim for a buffer, not the minimum).

• Train diagram speed for Paper 1 explanations.

• Practise data response structure for Paper 2.

• Use RevisionDojo to tighten technique with the IB Economics hub and the IB Grade Calculator.

IB Economics SL Grade Boundaries 2025 (Timezone 1): full breakdown

Below are the IB boundaries for Economics SL 2025 (Timezone 1). Use them as a map: they show where marks are “expensive” (hard to gain) and where a few extra marks can change your grade.

Internal Assessment (out of 45)

• Grade 7: 37--45

• Grade 6: 32--36

• Grade 5: 26--31

• Grade 4: 21--25

• Grade 3: 13--20

• Grade 2: 7--12

• Grade 1: 0--6

Paper 1 (out of 25)

• Grade 7: 20--25

• Grade 6: 17--19

• Grade 5: 15--16

• Grade 4: 12--14

• Grade 3: 9--11

• Grade 2: 5--8

• Grade 1: 0--4

Paper 2 (out of 40)

• Grade 7: 33--40

• Grade 6: 27--32

• Grade 5: 22--26

• Grade 4: 16--21

• Grade 3: 12--15

• Grade 2: 6--11

• Grade 1: 0--5

Final IB Economics SL grade boundaries (out of 100)

• Grade 7: 80--100

• Grade 6: 67--79

• Grade 5: 55--66

• Grade 4: 43--54

• Grade 3: 30--42

• Grade 2: 15--29

• Grade 1: 0--14

For a broader view across subjects and sessions, use the IB Grade Boundaries hub and the explainer What are the grade boundaries for IB subjects?.

How to use these IB Economics SL grade boundaries in revision

Boundaries are only powerful if they change what you do this week.

Make “buffer marks” your IB strategy

If the IB boundary says 80 for a 7, aim for 83--85 in your tracking. In IB exams, nerves, timing, and one unclear diagram label can cost you marks you thought were safe.

Paper 1: diagrams aren’t decoration

Paper 1 rewards clean causality: shift, new equilibrium, welfare impact, evaluation. If you want a technique blueprint, read IB Economics revision methods that actually work.

Paper 2: practise like the examiner marks

Paper 2 is where students lose marks to structure: missing definitions, vague examples, or evaluation that never lands. RevisionDojo’s Questionbank plus AI Chat help you drill the exact response style.

Try focused practice from the IB Economics Topic 1 Questionbank and build speed with core micro skills like the 2.1 Demand Questionbank.

FAQ: IB Economics SL grade boundaries 2025 (Timezone 1)

Are IB grade boundaries fixed before exams?

No. IB grade boundaries are set after scripts are marked, when the IB can see how difficult the papers were and how students performed. That’s why boundaries can shift between sessions and timezones. What you can control is building a buffer above the typical cutoff you’re aiming for. If you want to understand the logic behind them, the RevisionDojo guide on IB grade boundaries makes it easy to compare and interpret. Treat boundaries as a planning tool, not a prophecy.

How should I use the TZ1 boundaries if I’m doing mocks?

Use the TZ1 boundaries as a realistic benchmark, then aim a little higher to protect yourself. In a mock, your teacher might mark slightly differently, and your timing might be less polished than on exam day. The best approach is to convert each boundary into weekly targets: IA improvement, Paper 1 diagram accuracy, and Paper 2 structure. RevisionDojo’s IB Grade Calculator helps you turn marks into a predicted grade quickly, which makes progress feel measurable. In the IB, measurable tends to feel calmer.

What’s the fastest way to raise my score by a few marks?

In IB Economics SL, “a few marks” usually come from repeating a small set of high-return habits. First, lock in definition precision and diagram labels, because those are marks you can win consistently. Second, train evaluation sentences that directly answer “so what?” for stakeholders, efficiency, and long/short run outcomes. Third, practise under time pressure using a question bank so technique becomes automatic, not hopeful. RevisionDojo’s Study Notes, Flashcards, and Questionbank work well as a loop: learn, recall, apply. If you want a good starting point, explore the IB Economics resources and the examiner-friendly Economics cheatsheets.

Closing: make IB boundaries work for you

The point of IB grade boundaries isn’t to obsess over the cutoff. It’s to study with clearer aim. Use the IB Economics SL Grade Boundaries 2025 (Timezone 1) as your target map, then build a buffer with smarter practice.

When you’re ready to turn numbers into a plan, RevisionDojo is built for it: Questionbank practice, Study Notes, Flashcards, AI Chat feedback, Grading tools, Predicted Papers, Mock Exams, a Coursework Library, and Tutors -- all designed to make your next mark feel earned (and repeatable).