Unless it specifies it must be a certain brand or type, another brand or generic can be substituted for the supply item. Many times a brand name is used only so it provides a better description of the item.
BESPC Supply List 2014-15 (44.0 KiB)
BESIC 2015-2016 Supply List (45.7 KiB)
BHS School Supply List (35.2 KiB)