Oops, it doesn't look like 'schools day' is a national day..

Other days

gum

Gum Day
brow

Brow Day
pampering

Pampering Day
self care

Self Care Day
buddy

Buddy Day
polyamory

Polyamory Day
tell a fairytale

Tell A Fairytale Day
boy friend

Boy Friend Day
hoodie

Hoodie Day
donate your hair

Donate Your Hair Day