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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. 

Frederick A. Lindley University of Dayton, USA

Frederick A. Lindley is an adjunct instructor at the University of Dayton. He has worked in higher education for the past seven years, following a 36-year career in Ohio public schools, with 34 years as a school principal. During the past five years, Lindley has served as the coordinator of the Southwest Region of the Ohio Department of Education "Entry-Year Principal" project. This project entails mentoring new principals while guiding them toward the completion of performance-based portfolios that comply with the ISLLC standards. Lindley also serves as the project’s chief writer of curriculum for training principal mentors. Additionally, Lindley is a writer and Web designer for the distance learning Principal Licensure program at the University of Dayton. He received his doctorate from Miami University of Ohio.