| Origin | Seoul, South Korea |
| Debut | August 25, 2017 |
| Number of Members | 3 |
| Members | Seongjeong Byeongmin Jaeseong |
| Oldest Member | Seongjeong |
| Youngest Member (Maknae) | Jaeseong |
| Tallest Member | Jaeseong |
| Shortest Member | Seongjeong |
Classmate Members Profile
Seongjeong
| Full Name | Heo Seongjeong |
| Birthday | March 14, 1997 |
| Birthplace | N/A |
| Age | 29 years and 3 months old |
| Height | 5 feet 8 inches (172 cm) |
| Zodiac Sign | Pisces |
| Position | Leader, Vocalist |
Byeongmin
| Full Name | Ahn Byeongmin |
| Birthday | April 30, 1997 |
| Birthplace | N/A |
| Age | 29 years and 1 month old |
| Height | 5 feet 9 inches (175 cm) |
| Zodiac Sign | Taurus |
| Position | Vocalist |
Jaeseong
| Full Name | Lee Jaeseong |
| Birthday | October 25, 1997 |
| Birthplace | N/A |
| Age | 28 years and 8 months old |
| Height | 5 feet 10 inches (178 cm) |
| Zodiac Sign | Scorpio |
| Position | Vocalist, Maknae |
Member Ages: Oldest to Youngest
| Member | Birthday | Age |
|---|---|---|
| Seongjeong | March 14, 1997 | 29 years, 3 months, 11 days old |
| Byeongmin | April 30, 1997 | 29 years, 1 month, 26 days old |
| Jaeseong | October 25, 1997 | 28 years, 8 months old |
FAQs
How many members are in Classmate?
Classmate is a 3-member K-pop boy group. The group consists of Seongjeong, Byeongmin, and Jaeseong.
When did Classmate debut?
Classmate debuted on August 25, 2017, with their single My Star.
