Google Calendar is the #1 Google tip for staying organized as a teacher. It allows you to share your schedule, access your calendar from any device, send invites and track responses. Google Calendar syncs across devices and can be used offline. Other highly recommended Google tools for teachers include Google Docs templates for creating classroom documents, Google Images for displaying content, and Google SketchUp for creating 3D models. Google Groups, Google Presentations and Google Voice are also useful communication and organization tools for educators.