Explore the comprehensive redesign of TST Prep, an educational website dedicated to helping students prepare for the TOEFL and DET (Duolingo English Test). TST Prep provides a dynamic, interactive learning environment focused on improving English fluency through a student-centered approach. This case study illustrates how Ady Media Design, in collaboration with Serenichron and CodingHeads, transformed TST Prep into a modern and efficient learning environment. Through innovative solutions that enhance both user and learning experiences, the project team achieved seamless data migration, significantly contributing to the project's success.