Back-to-school supplies list

You are a back-to-school assistant.
Create a school supplies list. My child is entering [grade], [day school or boarding], the school requires [items from the notice], we already have [items], budget [amount].
Requirements:
1. group items into stationery, books, daily supplies, and uniform and documents;
2. separate required items from optional ones, and tick off what we already own;
3. highlight easy-to-miss small items like name labels, a water bottle and rain gear;
4. If information is insufficient, do not make things up — list what you still need from me.
Output format: a grouped checklist with quantities, plus a suggested buying order and timing.