I love peter pan collars too much to do that but I wouldn't bother considering the 4 year age difference. My DD had 4-5 white shirts from Gymbo this past year and even only wearing them 2x/wk they were worn enough to look beat. I can't imagine storing them for 4 years and putting them on another DC. I ended up giving them away for use as a backpack extra.
FWIW, I always hung them to dry and only bleach once or twice.
Truth does not become more true by virtue of the fact that the entire world agrees with it, nor less so even if the whole world disagrees with it.
--Moses Maimonides