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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

John F. Barell Education Consultant

Learn more about John Barell's PD offerings


John Barell is Professor Emeritus of Curriculum and Teaching at Montclair State University, Montclair, NJ, and former public school teacher in New York City. For the past several years he has been a consultant for inquiry-based instruction and creation of science/social studies networks at the American Museum of Natural History in New York City. For most of his educational career he has worked with schools nationally to foster inquiry, problem-based learning, critical thinking, and reflection. Barell is the author of several books, including Teaching for Thoughtfulness: Strategies to Enhance Intellectual Development (1995, 2nd ed.) and Developing More Curious Minds (2003).