| UDMY | Udemy |
| CHGG | Chegg |
| SKIL | Skillsoft |
| STRA | Strategic Education |
| ATGE | Adtalem Global Education |
| AFYA | Afya |
| TWOU | 2U |
| EDU | New Oriental Education & Technology Group |
| LAUR | Laureate Education |
| APEI | American Public Education |
| TAL | TAL Education Group |
| GOTU | Gaotu Techedu |
| DAO | Youdao |
| LOPE | Grand Canyon Education |