Click here to access 10,000+ free IB-style questions, notes, IA/EE/TOK exemplars and more!
![IB ESS Paper Weighting [2026 updated] cover image](https://d5wyp2frzhena.cloudfront.net/webp/0_0_bc8c7bbd47.webp)
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% |
We hope you found this post helpful. For more useful materials associated with the IB check out the wide variety of IA, EE and TOK exemplars available at Clastify and other guides available on our blog.
The Ultimate All-in-One
IB Platform
All content on this website has been developed independently from and is not endorsed by the International Baccalaureate Organization. International Baccalaureate and IB are registered trademarks owned by the International Baccalaureate Organization.