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IB ESS Paper Weighting [2026 updated]

Wojtek

By Wojtek

20 Sept 2024

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Understanding the weighting of your internal and external assessments is crucial for success in IB Environmental Systems and Societies (ESS). In this post we will break down the weighting of each component of the IB ESS course, allowing you to approach the subject with great confidence. 

 

 

IB ESS Paper Weighting

 

 

IB ESS is a course available at Standard Level (SL) and Higher Level (HL) The IB ESS assessment component weighting is as follows:

 

Standard Level (SL)

 

Assessment Component

Weighting

Paper 1

25%

Paper 2

50%

Internal Assessment (IA)

25%

 

Higher Level (HL)

 

Assessment Component

Weighting

Paper 1

30%

Paper 2

50%

Internal Assessment (IA)

20%

 

 

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