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Out of all of these I have the most experience with category 4. I have set up labs full of Linux computers on many occasions. I've also done the same for macs. I won't say that macs are universally superior but there are TONS of things about imaging, configuring, provisioning, and authenticating macs that are vastly superior to Linux. If it's to teach a topic that isn't programming or sysadmin, like say graphic design, macOS has huge, huge advantages for legibility to the instructor.