These idols served as student presidents and showed off their amazing responsibility and intelligence.

1. IU

When IU was in elementary school, she was the school president for Yangnam Elementary School! IU once revealed that she joined the elections because she wanted to get the approval of others. She won the elections despite having transferred to the school just two months prior!

2. Girl's Day's Hyeri

Hyeri, who has always been a model student, was a student president. Not only was she president, but she was also part of the school paper, broadcasting department, track, and field team, football team, and even helped her teachers when they needed a hand! Talk about a model student!

3. TVXQ's Yunho

Yunho, who became famous as the leader of TVXQ, was also a student leader! During his elementary school days, Yunho was the student president of Masam Elementary School! In the past, an old schoolmate of Yunho's revealed that even though they came from different classes and were not close, when the idol discovered he was being bullied and beaten by his classmates, Yunho had shown concern and asked the victim if they needed help.

4. Sunmi

This former Wonder Girls member was also a student president during her elementary school days. She was the president of Hwangnam Elementary School. During a radio interview, Sunmi revealed that because her life was difficult at home, she wanted to make the most of her time in school and appear strong and capable. 

5. Song Joong Ki

During his middle school years, Song Joong Ki was the student president of Hanbat Middle School. When he moved up to high school, he was the student council vice president. During his third year of senior high, it was revealed that Song Joong Ki had the highest marks in English and Mathematics in his whole school. He was also a short track speed skating athlete and represented his hometown of Daejeon on a national level.

6. ASTRO's Cha Eunwoo

This face genius was also a student president! When he was in middle school, he was the student council president of Suri Middle School. He was also the president of his school's kendo club. His grades were among the top three during his school years, and when he moved up to high school, he joined his school's basketball team.

7. Lee Euiwoong

This former 'Produce 101 Season 2' contestant was also a student leader. During his time in Jeonggak Middle School, he was the student president. The idol is known for his amazing grades — in fact, as a student, his grades were among the top 5% of his whole school.

8. Im Siwan

Im Siwan was a student president for his class from elementary to high school! He ranked number one in his school academically. When he was in middle and high school, the idol was the student council vice president. The idol revealed that he studies hard from elementary through high school.

9. Weki Meki's Doyeon

When she was in elementary, Doyeon was a class president. She became a student council vice-president when she was in middle school. While attending Sangji Girls' High School, she was the captain of the cheerleading team. The team would compete and, as the captain, led her team to a national title.

10. Lee Seung Gi

Lee Seung Gi was elected not once, but twice, to be the student council president for Sangye High School. He was also the school president during his middle school days. Additionally, Lee Seung Gi was the lead singer of his school band.