I was treasurer of the kindergarten parents' association when my daughter was in that age. It’s a small org with 10-12 employees, 30-40 customers (children) twice as many stakeholders (parents, relatives) constrained budgets and strict regulations, eg also a privacy officer. We had a static website, everything with PII, so, basically everything, was on a laptop with encrypted backups. Everything was managed with an Excel Sheet and an accounting software. Payroll was handled by a tax advisor. We cloud have used cloud services but too expensive, too many compliance headaches, and too constrained. I think an agent with local inference on a Mac would be a good investment, today.

My first child's kindergarten used Facebook to share photos. You could opt-out and then - if they remembered - they'd leave your child out of the photos. Everything is an upgrade over that I suppose.