“deputy mayor Guillard published his recommendations for others that want to ‘free their schools from the commercial agenda of proprietary software vendors’. Free software is unhindered by the constraint of financial profitability, he argues: there is no planned obsolescence and no lock-in to specific hardware.
Olivier Guillard urges rigorous testing of solutions before suggesting them to teachers. Just as important is to convince the teachers of the benefits of free software. He also recommends being proactive on maintenance and monitoring.
See Yvelines school completes switch to free software“Yes! Another school frees itself from non-Free software. No more BSODs, re-re-reboots, lock-in, malware, treadmill marketing, …
They still keep a few machines with TOOS for compatibility and whiteboards. My advice? Stick with projectors and Gromit and the latest version of LibreOffice. I would use Debian rather than Mint. Further, to reduce the capital costs and maintenance, use ARMed thin clients and a GNU/Linux terminal server. It’s a wee bit more work to set up but that work spread over N machines is tiny compared to installing on N machines. Look at Odroid-C2 for clients and Lemaker Cello for servers.