CityU has made remarkable achievements in recent global rankings. There are some very good results and great leaps in science subjects in which the College of Science has played a very important part:
| Subject | 2023 Ranking | 2022 Ranking |
| World University Rankings 2023 by Times Higher Education (THE) | ||
| Physical Sciences | 74 | 101-125 |
| 2023 Best Global Universities Rankings by the U.S. News & World Report | ||
| Physical Chemistry | 11 | 18 |
| Condensed Matter Physics | 15 | 27 |
| Optics | 19 | 41 |
| Chemical Engineering | 44 | 42 |
| Mathematics | 66 | 60 |
| Chemistry | 75 | 100 |
| Physics | 293 | 329 |
Congratulations to all faculty members for the contributions and hard work. The good ranking results reflected the significance of research by our faculty members.