Can you take casper twice? in General Premed Discussions Posted July 30 · Report reply Hi everyone, I'm planning to apply to bunch of school this year, many of which require casper. For Dalhousie, the latest date you could right the test is Aug 28 but for the others one the last date is much later in the year. I was wondering if anyone knows if its possible to right the test twice, one for dalhousie and another for others. I know on their website it says limit of 1 test per year but website itself allows you to book a later date so I'm not sure if you actually cannot write it twice.