| STG | Sunlands Technology Group |
| UDMY | Udemy |
| CHGG | Chegg |
| SKIL | Skillsoft |
| COUR | Coursera |
| LRN | Stride |
| IH | iHuman |
| ATGE | Adtalem Global Education |
| EEIQ | Elite Education Group |
| LAUR | Laureate Education |
| TAL | TAL Education Group |
| EDU | New Oriental Education & Technology Group |
| YQ | 17 Education & Technology Group |
| GOTU | Gaotu Techedu |