This four—volume set constitutes the post—conference proceedings of the 9th EAI International Conference on e—Learning, e—Education, and Online Training, eLEOT 2023, held in Yantai, China, during August 17—18, 2023. The 104 full papers presented were selected from 260 submissions. The papers reflect the evolving landscape of education in the digital age. They were organized in topical sections as follows: IT promoted teaching platforms and systems; AI based educational modes and methods; automatic educational resource processing; educational information evaluation.