The PIQET Principles represent a groundbreaking initiative under the Erasmus+ project, designed to elevate the standard of Continuous Professional Development (CPD) for educators across diverse educational landscapes. Authored by a consortium including the Educational Research Institute in Slovenia, Open Academy Step by Step in Croatia, and the International Step by Step Association, this resource articulates a set of nine comprehensive principles aimed at refining the recruitment, training, and ongoing support of CPD educators.