Take photographs that were used in yearbooks and the school newspaper, and photographs donated by staff and students to create a personalized scrapbook that captures the teacher's life at the school.
Give the teacher a gift card that has a special meaning for that teacher. For example give a reading teacher a bookstore gift card, a coffee addict a coffee shop gift card, or a drama teacher a gift card to enjoy a movie.
Create a gift basket that will help the teacher relax away from school. Themes can include chocolate, relaxation, or be centered around a favorite hobby like gardening.
Have someone take a group picture of the staff, or the teacher's current class of students. Then have the photograph framed and matted with the school colors.
Create an Appreciation Book for the teacher. This can be made from any sort of notebook and would include messages from students or staff about what they appreciated about the teacher.