Printable Graphic Organizers. TeachersPayTeachers has a large selection of 2000 free graphic organizers for writing, reading, history, and science for all grade levels. Excellent navigation tools help teachers and homeschooling parents drill down to the type of organizer you need. You'll also find lesson plans and other kinds of printables on the site. All material are created by teachers. You may submit your own orginal work to the site for purchase or to share freely.