Hi Deborah
Interesting challenge. Here are a few ideas to motivate students to attend career service workshops and offerings.
Constantly promote career services throughout your school so everyone knows the value and encourages students to attend.
Make attendance at career services events mandatory.
Make attendance a privilige. Allow students to sign up only after they have completed half their course work, for example.
Ask instructors to offer extra credit to students who attend career services workshops.
Ask admissions staff to promote career services as an incentive to enroll.
Build statistics showing how many grads got jobs after attending workshops. If you can, compare salaries and jobs to those grads who didn't attend workshops.
Format some of the career training into distance ed delivery.
Ask instructors to allow some time for career services staff to visit the classrooms.
Hope this gives you ideas for other strategies.
Best wishes
Susan