School is the counterparty and a state actor with everything that entails sign a poorly negotiated, likely corruption ridden contract with some trust me bro we don't sell data, vendor, ie third party.
Now your child is subject to a contract arrangement that you are not privy too that enables some "dudes" to track your child's usage of equipment.
If you don't see this as an overeach, society has really degraded esp in context of the child abuse issues we are coming grips with.