Rookies are trainees who are part of the SMROOKIES project. They are sorted according to the current year and their gender. This is shown as "S" for SM Entertainment, "R" for rookies, two numbers to represent the year they joined, and "G" or "B" to specify their gender.
- Koeun (고은)
- Lami (라미)
- Hina (히나, ひな)
- Ningning (닝닝, 宁宁)
- Jungyeon (중연)
Graduated members consists of trainees who have debuted into an SM Entertainment group or as soloists and are now full-fledged artists of their own right.
- Donghyuck (Haechan)
- Xiao Jun
- Yang Yang
Past members consist of former trainees who have left SM Entertainment or the SM Rookies project.
- Yang Yong-ju (양용주) (left approx. 2015)
- Hansol (한솔) (left approx. October 2017)
- Herin (헤린) (left approx. July 2017)
- Yiyang (이양) (left approx. September 2018)