Microsoft have a brilliant website available called the Microsoft Educator Centre (MEC), it’s aimed at Leaders and Teachers of all age range settings. There is a wide range of content and learning paths, ranging from courses on Sway to a full blown Teacher Academy Learning Path – certainly a recommended option for all teachers. There is also content on ways to deliver teaching through the use of Office 365 tools. Once you have completed a course you can even download a certificate.
You can access the MEC at https://education.microsoft.com