It’s World Teachers Day on Oct 27. Maybe shout them lunch and give them gift cards? As for the school itself, offer to upgrade a specific thing? Like their books or arts and crafts supplies?
Parenting
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Go talk to the teacher and just ask them?
If you want to so it anonymously, organize a spaghetti night as a fundraiser and end up raising a shitton more than you could expect from such an event?
To your first point, I've already done that. That misses the point that I want to give more than it's ok for the teacher to ask for.
To your second point, yeah. No.
OK then
We donate to all our daughter's schools, not inappropriate money, but plenty. Basically every fundraiser that comes up we donate to. They often accept donations of gifts to then raffle off as well.
If you want to directly donate, like say you want to donate new keyboards and peripherals to an under funded computer lab, or donate uniforms paid to the uniform shop so they can give them to families that can't afford them, that requires following a set of specific rules.
In that case (in my country) you have to go to the principal (just ask for a meeting) and ask what the process is. Pick a single thing you would like to fund per year, and go through the steps involved to fund it.
Ask to keep it anonymous if you prefer that, we never wanted anyone to know.
Maybe ask the parent council? They're typically tasked with fundraising, so that would be a logical place to start.
The PTA and standard fundraisers are already addressed in the post.
I'm not suggesting going in on the fundraisers, I'm suggesting asking the PTA if you can make an anonymous donation.