Download or read book 20 Biggest Mistakes Principals Make and How to Avoid Them written by Marilyn L. Grady and published by Corwin Press. This book was released on 2004-01-08 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: By surveying both teachers and administrators, and applying her own experiences as both teacher and a principal, Grady examines crucial errors from several key categories.