Kahi, Son Dambi - Second half of 2008, founding member in Pledis
Yoo Soyoung, Jungah, Bekah, Jooyeon - Second half of 2008
* Park Jung Hyun (Park Si Yeon) - From second half of 2008 (Same time with the older sisters above)
UEE - Trainee from January 2009. Debut after 3 months (Her trainee period is more longer if including Five Girls time)
Raina - Trainee from July 2009. Debut after 4 months (Before that, she received training informally in few places)
Lizzy - Trainee from July 2009. Debut with After School after 8 months
Nana - Trainee from August 2009. Debut with After School after 3 months
* Joo Kyul Kyung - From first half of 2010
* Bae Sung Yeon (Shannon) - Estimated to start as trainee in 2010
E-young - Estimated to start as trainee from October ~ November 2010. Admitted to After School after 6 months
Yooara - Start as trainee from September 2010. Debut with Hello Venus after 1 year and 8 months
Kim Kyung Min - Trainee open recruitment the same time with Yooara. Doesn't go to HV and ended trainee life
Shin Yoonjo - Assumed to be a trainee before winter 2010 ~ March 2011. Debut with Hello Venus after 1 year and several months
* Im Nayoung - From early 2011
* Kyla - Assumed to be a trainee from 2011
Kaeun - Start as a trainee from second half of 2011. Admitted to After School after 9 months
* Kang Yebin - From second half of 2011
A few people excluding Shin Soyi entered and went out
* Jung Eunwoo, Kang Yewon - From early 2013
* Kim Min Kyung - From autumn 2013
* Kang Kyung Won - From early 2014
Park Si Yeon experienceㅋㅋㅋThis year, 2016 she's first year of high school though ㄷㄷ
[Instiz] Trainee experience arrangement of After School, Hello Venus, Pledis Girlz
Post response:
1. Wow I saw a placard saying Kim Kyung Min became a trainee in the next town and I look forward to herㅠㅠ
2. Wow...Siyeon...Great...
3. Our Siyeon....