The datasheets, user manuals, and Linux SDK for the Allwinner A527, T527, and A733 SoCs, found in some SBCs like the Avaota ...

Best for high school through college ElementaryOS, like Linux Mint, wasn't created for educational purposes, but it's such an easy-to-use Linux distribution that it very much belongs on this list.

If you want to install Linux on a desktop, you'll first have to create a bootable USB drive with your distribution of choice. Don't worry. It's easy.