| TKT | CELTA | CELTYL | ICELT | DELTA | |
| Selection procedure | None | Interview and task | Interview and task | Interview and task where appropriate |
Interview and task |
| Teaching experience required |
None | None | None | Must be teaching | 2 years' (1200 hours) relevant teaching experience |
| Previous qualifications/ training required |
None | Normally qualifications which allow access to higher education |
Normally qualifications which allow access to higher education |
Local requirements for teacher training apply |
Normally a university degree and an initial ELT qualification, such as CELTA |
| Language level | Minimum PET / Council of Europe B1 | Near first-language speaker | Near first-language speaker | Minimum FCE / Council of Europe B2 | Near first language speaker |
| Teaching age group | Primary, secondary or adults | Adults (16+) | Primary or secondary | Primary, secondary or adults | Adults (16+) |
| Can be taken pre-serice |
√ | √ | √ | X | X |
| Must be taken in-service |
X | X | X | √ | √ |
| Obligatory course |
X | √ | √ | √ | √ |
| Assessed teaching practice |
X | √ | √ | √ | √ |
| Continuous assessment |
X | √ | √ | √ | √ |
| Coursework | X | √ | √ | √ | √ |
| Portfolio | √ | √ | √ | √ | √ |
| Written test/ examination |
√ | X | X | X | X |