TEN SCHOOL MODELS: And what, you may ask, is the difference between the “in-person flex” and the “in-person rotation” model of school? Public Impact, an education policy and management consulting organization with funding from the Gates Foundation and Carnegie Corporation, is so glad you asked. Here are 3 to 8-page summaries of how 10 different school models are structured. Comes complete with a handy info graphic, Extending the Reach of Great Teachers."