National Library of New Zealand Services to Schools - Information about establishing and managing a school library. There is also information on 21st century literacy and on creating readers. The gallery section has good photographs of school library interiors which may help you in your library design.
The School Library Media Specialist - This excellent site accompanies a course at the University of Indiana School of Information Science. It covers all aspects of school librarianship and has many links to very helpful
Looking Back, Looking Forward - Wrapping up Your First Year as a School Librarian. This article by Hilda K. Weisburg and Ruth Toor in the June 12, 2015 issue of American Libraries will help the new school librarian manage the many end of year activities in the school library.