My nieces and nephews had some school announcements _only_ disseminated on facebook. I had to call the school to change their process, and even then it took a while for them to adapt.
This kind of thing absolutely needs to end. Especially for public schools. Requiring you do business with a specific commercial entity just so you can get a message from your government definitely crosses a line, and you were 100% right to advocate that they change.
If you get your news only from mainstream media, you'll be strongly anti-Palestine. If you get your news from social media, you'll be moderately to strongly pro-Palestine. With this in mind, in your opinion, is one an adequate replacement for the other?