You can donate practically any school supplies that are in good condition and re-usable. Here is a small list to help you start.

1) School Textbooks in good condition

2) School bags - Make sure the bags are not torn and their zippers work. 

3) Files, folders, pens, pencils, erasers, markers, scales - all in absolutely good and working condition. 

4) Pencil pouches or case - again those which are still  in good condition.

5) Shoes - make sure they are clean and polished.

6) Water Bottles - reusable or new

7) Uniform 

8) Water colors, paint boxes 

10) Tiffin boxes

11) Games and toys

12) Story books