The IB DP is known as a very demanding, difficult and sometimes hard to follow programme. Environmental systems and societies (ESS) is one of the most unique IB DP subjects. It is an interdisciplinary subject as it is a mixture of humanities and sciences. ESS...
How to Define ESS?The Environmental Systems & Societies (ESS) course is an interdisciplinary course which is unique in that it contains various sciences, coupled with a societal viewpoint, all intertwined to help you understand the environment and its sustainability. This course is designed to combine...
The ESS IA model is flexible enough to allow a wide variety of investigations to be carried out.These could include: • Short laboratory practicals over one or two lessons and long-term practicals or projects extending over several weeks • Computer simulations • Data-gathering exercises such as questionnaires and...
Assessment in an integral part of teaching and learning. The most important assessment goals in ESS IB is that it should support curricula goals and encourage student learning. Both external and internal assessment is used in the ESS IB. IB examiners mark work produced for...
Reviewed 5 October 2026 · ESS SL and HL, first assessment 2026. Choose IB ESS notes and a textbook that match your current course. Environmental Systems and Societies is now offered at SL and HL, with first teaching in 2024 and first assessment in 2026. An...