The order of sharps: F,C,G,D,A,E,B
A good acronym that works for sharps and flats is:(for sharps)
"Father Charles goes down and ends battle"
The for flats:
"Battle ends and down goes Charles father!"
EXTRAS:
An acronym to remember that could be, "Father Christmas Gave Dad An Electric Blanket," or "Fat Cats Go Dancing And Elephants Boogie."
The order of flats: B,E,A,D,G,C,F
An acronym for flats could be, "Blanket Exploded And Dad Got Cold Feet."
I like to use "Fat Cats Gobble Dirt And Eat Bugs" for the sharps. I thought it was funny when I was a kid and now my piano students think its funny.