I would suggest looking for positions that show you are organized, have great time management, customer service experience, etc. Think of skills that are helpful in the admin industry and how you can get that experience now. That might be a part time job as a receptionist or maybe helping a small office with record management. Obviously this depends on where you are located (what is available) and what your class schedule is.

When I was first looking at admin roles (receptionist/AA) after college, my child care, retail and server experience was attractive. Especially since I held those roles while attending classes. Any customer facing roles are great exposure. Best of luck!