Give away books, stickers, bookmarks, or other family learning materials as prizes. Coffee and cookies are always a hit. Have special goodies such as a continental breakfast, a free luncheon, or a potluck. You provide the paper goods. Make improvements a priority.
Evaluations are important.
There is always room for improvement. Publicize your efforts to staff and parents. Keep a portfolio or notebook of the activities you are having. Publish a parent newsletter. Invite the administrator to your activities so that they can have a first hand look at what is happening.