He should teach LibreOffice Writer instead so when actually some laptops arrive at the school they wouldn't have to waste money on MS product licenses.
This is exactly what I wanted to write. But some people can't be helped... Our school also forced us MS Office and I had to learn LibreOffice myself. I have been using OO/LibreOffice since I finished school and I am not looking back. It's sad that some people don't know about alternatives and are paying for Office360 regularly, they are like drug addicts.
Understanding how to use any word processor is a job skill.
LibreOffice supports Akan, an official language spoken in Ghana. Projects could translate the UI to Akan so even more people would be able to use it.