School 2017 is a South Korean television series starring Kim Jung-hyun, Kim Se-jeong, Jang Dong-yoon, Han Sun-hwa, and Han Joo-wan. It aired on KBS2 from July 17 to September 5, 2017 every Monday and Tuesday at 22:00 (KST) for 23 episodes. The series is the seventh installment of KBS2's School franchise.

Kim Jung-hyun is a South Korean actor. He is best known for his lead roles in popular television series School 2017 (2017), Welcome to Waikiki (2018), and Time (2018). He gained international recognition by starring in the dramas Crash Landing on You (2019–2020) and Mr. Queen (2020–2021) which rank amongst the highest-rated Korean dramas in cable television history.