Does it measure speaking, listening, reading, writing, or all of the above? Are all of these skills measured in separate tests — or in one test?
How many students do you need to test at each intake?
How many students do you need to test each year? How many do you expect you’ll need to test in three years?
How quickly do you currently receive test results? How quickly would you like to receive them?
If you are able to test your students weeks in advance of the start of the school term, you may have time to wait for results. However, if you are continuously testing students, or have students arriving just before the term begins, you may need to get results much more quickly.
What features in your current test do you like and dislike?