Hi Krishna, This is Ramesh.
You can download the Windows 11 ISO using the Windows 11 Media Creation Tool.
Download Windows 11 Media Creation Tool (MCT) from one of these links:
https://go.microsoft.com/fwlink/?linkid=2156295
The downloaded ISO is a multi-edition ISO that includes the following editions.
Windows 11 Home
Windows 11 Home N
Windows 11 Education
Windows 11 Education N
Windows 11 Pro
Windows 11 Pro N
Windows 11 Pro Education
Windows 11 Pro Education N
Windows 11 Pro for Workstations
Windows 11 Pro N for Workstations
The Windows 11 Education ISO is not available separately. After downloading the Windows 11 multi-edition ISO, you can remove other editions from the Install.wim image if you want. However, that may not be needed.