How long do assignments last for? Assignments can last for as long or short a period of time as a school needs. Some schools like to bring tutors in to work with their students for a limited time period (perhaps a term) while others like to use tutors throughout the year. When you have committed to a tuition assignment, we expect you to continue with it until its conclusion. Failure to do so can disrupt a student’s learning and has a highly negative impact on a young person.