On February 14, 2025, Assistant Professor Dr.Teeraporn Plailek and Assistant Professor Dr.Wipada Prasarnsup led two groups of third-year students to organize an English language activity for elementary school students in grades 1-6, as part of the Academic Day at the Demonstration School of Suan Sunandha Rajabhat University. This activity was part of the course EEC 3317: English Language Learning Management for the 21st Century Learners. The event aimed to enhance students' leadership skills in organizing learning activities both inside and outside the classroom. Additionally, it provided an opportunity for students to apply teaching principles and learning management strategies in creating innovative, appropriate, and effective learning activities for 21st-century learners.