A course designed for secondary school physics and IT teachers, covering topics from the fundamentals of the quantum description of nature to selected quantum technologies (e.g., cryptography), quantum algorithms (Deutsch’s and Grover’s), and more theoretical subjects such as quantum teleportation and the EPR paradox. The course is delivered in a blended format and comprises 18 teaching hours across four sessions. Emphasis is placed on an active, engaging approach and on the direct applicability of activities, ideas, and concepts in secondary school teaching.