At the 2011 South Korean Championships, she placed third in the short program scoring 46.82 points, and won the free skate with 98.47 to win her second national title.

The following season, Kim was assigned to the 2011–12 ISU Junior Grand Prix events in Brisbane, Australia, and in Brasov, Romania.

In Brasov, Kim was placed sixth with 44.78 after one of her spins were considered invalid, but rebounded to third with 99.83, earning the bronze medal with a total score of 144.61.

Kim then participated in the 2012 World Junior Championships and earned 51.56 in the short program and 98.15 in the free skate, finishing 8th overall with the total score of 149.71.

With the total of 147.30, she became the first South Korean woman to stand on the top of the podium since Kim Yuna, the 2010 Olympic Champion, won two golds in the 2005–06 ISU Junior Grand Prix.

In the 2013–14 season, Kim was assigned to 2013-14 ISU Junior Grand Prix events in Slovakia and Czech Republic.

She was selected to represent her country at the 2014 Winter Olympics with her national teammates, Kim Yuna and Park So-youn.

[10] She joined 2010 Olympic ladies champion and fellow South Korean skater Kim Yuna in an ice show, All That Skate, which was held on July 23–25, 2010 in Goyang, South Korea, alongside other skaters like Michelle Kwan, Sasha Cohen and Stéphane Lambiel.