Use this brainstorming activity for a classroom discussion, an opinion essay, the basis of a debate, the beginning of a research project, a persuasive essay, or an expository assignment. It can stand alone, or become part of a larger unit. A few larger unit ideas: To include math, add a survey and research current statistics of schools using the different models. To include social studies, include a timeline of how education has changed over the years. To include science, discuss technolo