Two years ago, we began planning the new IB biology syllabus and I shared my initial perspective. Now that we've completed our first journey through it, it's time for an update. Below, I'll discuss the content load, the overall design and the IAs. 🚨 Update: I've moved to a new home! You can read the newest, updated version of this article on my new website here: https://christianmooreanderson.com/my-opinion-on-the-new-2025-ib-biology-syllabus/