

She signed a management contract with SidusHQ in 2010. Then, she diligently increased her appearances from A Happy Woman (2007), Que Sera Sera (2007), Hometown of Legends (2008), My Name Is Pity (2008), Wife and Woman (2009) and Ja Myung Go (2009). Kim debuted as a child actress in 2006, playing a supporting role in the Drama City special "Ten Minute Minor". Career 2006–2011: Beginnings as a child actress With this decision, Kim felt it would allow her to dedicate more time to both filming and studying. Kim chose homeschooling for her high school education because she did not want to give up her education and career. She said that while managing her acting career, she barely had time to study during her mid-school days (which made her have to take her exams unprepared) and missed out in activities with her classmates, and this similarly occurred in her elementary school days. In 2016, according to Singapore's national newspaper The Straits Times, Kim revealed in an email interview with the paper why she chose homeschooling instead of enrolling in high school. Kim attended the 79th entrance ceremony held at Hanyang University in Seongdong-gu, Seoul on February 28, 2018. The same year, she enrolled at Hanyang University's Department of Theater, through rolling admission. She was subsequently homeschooled for her secondary education, and passed her high school graduation exams by 2017. She then graduated from Yongin Munjung Middle School in 2015. Kim transferred from Hoe-ryong Elementary School in Gyeonggi-do to Towol Elementary School and graduated in February 2012. Her father died when she was nine years old. She moved to South Korea in 2003, when she was four years old. Kim So-hyun was born on June 4, 1999, in Australia, and has a younger brother.

Kim has been nicknamed by the Korean media as the " Nation's Little Sister", "Queen of Child Actresses", "Goddess of Historical Drama" and also the " Sageuk Goddess", after starring and appearing in various acclaimed historical period dramas throughout her career, and having gained experience working as an actress from childhood to the present day. She was the regular host of MBC's music program Music Core and survival reality show Under Nineteen in 2019.

She took on her first leading role in teen drama Who Are You: School 2015 (2015) and since then has starred in a musical Page Turner (2016), a historical melodrama The Emperor: Owner of the Mask (2017), a romantic comedy Radio Romance (2018), television dramas based on Naver Webtoon's Hey Ghost, Let's Fight (2016), Love Alarm (2019–2021) and The Tale of Nokdu (2019) and Korean folklore River Where the Moon Rises (2021). Kim So-hyun ( Korean: 김소현 Hanja: 金所泫 born June 4, 1999) is a South Korean actress who began her career as a child in 2006, initially gaining public attention for playing pivotal roles in Moon Embracing the Sun (2012) and Missing You (2013).
