| 01 | Westbourne Academy | 31.8 |
| 02 | ELS | 30.0 |
| 03 | Monroe University ELLI / ESL | 23.1 |
| 04 | American Academy of English | 20.3 |
| 05 | EF Education First | 20.0 |
| 06 | Kaplan International Languages | 15.4 |
| 07 | English Path | 15.0 |
| 08 | International House | 13.5 |
| 09 | EC English Language Centres | 12.5 |
| 10 | Berlitz | 11.8 |
| 11 | Institution of Civil Engineers (ICE) | 11.5 |
| 12 | ETC Bournemouth | 10.2 |
| 13 | Wimbledon School of English | 10.0 |
| 14 | LILA* English School | 9.4 |
| 15 | International House schools | 8.8 |
| 16 | St. Giles International | 8.4 |
| 17 | LanguageCourse.net | 8.1 |
| 18 | esl-languages.com | 7.9 |
| 19 | Kensington Academy of English | 7.7 |
| 20 | Exeter Academy | 6.2 |