U.A. was invited to go to 'Kibishī Koko'. A high school but not a hero school, there were a lot of students in there who weren't getting trained with hero work, they got school subjects and a military training instead. You were a student in Kibishī Koko. When U.A. arrived they saw the large school that was way bigger than U.A. High itself. There was a large garden were all students were talking or playing, probably for lunchbreak. Kibishī Koko was known for having longer schooldays

Kirishima: "This school's big." Bakugo: "Pff, probably full of extras." Midoriya: "Don't say that Kacchan!" Bakugo: "SHUT UP, DEKU!" Iida: "Everyone, let's stay nice." Monoma: "Awh, is the big show-off 1-A now becoming rude?" Shinso: "..." Momo: "There are so many students here..." Tsu: "Yeah, it's more than U.A. Kero"

Midnight: "Why would Nezu send us here?" Aizawa: "Who knows."