Tammy,
There are no easy answers to things like this. Unfortunately, many students who are attending using funding from someone else, including Title IV loans, do not seem to realize they are wasting their investment until it is too late.
The most effective strategy is to plan and facilitate a compelling class meeting. Consider structuring the grading and sequence of activities such that being in class on time and staying until the end provides a tangible reward in terms of their grade.
One-on-one talks with habitual offenders can help. If that does not work, seek the support of your dean… >>>