On the first episode aired on July 13, 'Idol School' welcomed the 41 incoming students, including aviation major Yoo Ji Na, baby face Choo Won Hee, TWICE's Tzuyu look-alike Lee Na Kyung, and the youngest student, 14-year-old Park Sun.
Trainees from the Big 3 agencies were also present. YG Entertainmen's 6-year trainee Lee Seo Yeon, SIXTEEN's Park Ji Won, JYP Entertainment trainee Lee Chae Young, and SM's Seo Hae Ri were among the participants of he program.
Child star Lee Young Yoo also appeared, commenting, "I've always dreamed of becoming an idol star."
Did you tune in to the first episode of 'Idol School'?