I haven't found if it was posted previously and I am not sure if many of us aware of it so sharing it.
Update : I believe its available worldwide ..
Get Office 365 for free
- It's not a trial! Students and teachers are eligible for Office 365 for Education, which includes Word, Excel, PowerPoint, OneNote, and now Microsoft Teams, plus additional classroom tools.
- All you need to get started is to enter a valid school email address below.
Some Q&A :
What is Office 365 for Education?
- Office 365 for Education is a collection of services that allows you to collaborate and share your schoolwork. It’s available for free to teachers who are currently working at an academic institution and to students who are currently attending an academic institution. The service includes Office Online (Word, PowerPoint, Excel, and OneNote), unlimited OneDrive storage Tooltip about unlimited OneDrive storage, Yammer, and SharePoint sites. Some schools allow teachers and students to install the full Office applications on up to 5 PCs or Macs for free. If your school provides this additional benefit, you'll see the Install Office button on your Office 365 home page after you complete sign-up.
What are the eligibility requirements?
- You must be a full-time or part-time faculty or staff member or student at an academic institution and:
- Have a school-specific email address provided by the school (for example, contoso.edu) that can receive external email.
- Be of legal age to sign up for an online offer individually.
How long can I use this plan?
- You can use the plan as long as you are working at a qualified school. Your eligibility may be re-verified at any time. When your Office 365 for Education plan expires:
- The Office applications enter a reduced-functionality mode, which means that you can view documents, but you cannot edit or create new documents.
- Online services associated with the school email address—for example, Office Online and OneDrive—will no longer work.
and many other Q&A can be found on bottom of Microsoft page
Also You can get Office 365 free for your entire school - Office 365 A1
- Improve classroom and school collaboration with free productivity tools. You will need to verify that you are an accredited academic institution to take advantage of these offers.
- Completely free online version of Office with email, video conferencing, voicemail integration, customized hub for class teamwork with Microsoft Teams, compliance tools, and information protection.