📘 THE COMPLETE GUIDE TO HOW THE IB ASSESSMENT SYSTEM WORKS — FOR STUDENTS, TEACHERS AND PARENTS Most IB guides tell students what to do. This one explains how the assessment works — what examiners are instructed to reward, how grade boundaries are set, what command terms actually require, how IA moderation affects final marks, what predicted grades mean and what they do not, and what the cognitive science of learning says about revision strategies that actually work. Book Eight of the IB Decode