having a hard time finding the relevance here. help me out?

It’s not relevant, the school district is paying for this service.

The joke in the XKCD is ‘you get what you pay for’ since his friend isn’t charging him. That is not the case here, posting the XKCD is a non-sequiter.

	▲	_aavaa_ 4 hours ago \| parent [-]
		The school district is paying for the service, but the students are not paying for the laptops. Thought they like have little say in whether or not (or how to use these laptops.