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

Other days

bounce

Bounce Day
reading

Reading Day
self care

Self Care Day
artists

Artists Day
stud

Stud Day
blanket fort

Blanket Fort Day
pumpkin

Pumpkin Day
tulip

Tulip Day
ruby

Ruby Day
azonto is acceptable

Azonto Is Acceptable Day