The School drama series are known as the gateway to success for young actors. Famous alumni who walked through the hallways and into stardom include actors Jo In Sung, Lee Jong Suk, Kim Woo Bin, Lee Dong Wook, Ha Ji Won, Kim So Hyun, Nam Joo Hyuk, and BTOBs Yook Sungjae. This years School 2017 is no exception, for it has introduced the world to Kim Sejeong, Kim Jung Hyun, and Jang Dong Yoon.
Kim Sejeong was well-known before her acting in School 2017 as a singer on Produce 101 Season 1. After beating a fierce competition of 200 actresses, Kim Sejeong was cast as the role of Ra Eun Ho for her bright and kind-natured character. Although she did not show perfect acting skills due to her lack of experience, she showed an improvement in her acting as the episodes continued, and received more positive responses as the series progressed. The industry awaits to see if Kim Sejeong can walk the flower road as an actress as well as a singer.