Explain that academic probation happens when a student hasn't met the criteria for grades set forth by a specific campus. Give the criteria for yours, such as a 2.0 grade point average. Then explain what it means to not meet it according to your school's policy -- for instance, does your school give academic probation the first time you don't make a 2.0, or after two consecutive semesters with that low grade point average?
Clarify the consequences of academic probation, as they relate to the campus in question. Does a student on probation have to stop being in activities, or are they in danger of failing out of school? Does a student need to take remedial courses, or simply work on their grade point average?
Define what will happen if the consequences are not met. For instance, will a student be kicked out of school if they do not get their grade point average above 2.0 in the space of two semesters?