Prolly wanna go with a flat for the ceiling
just keep in mind semigloss is easier to clean in case something splatters on the ceiling or cobwebs that get smeard making it dingy looking
i just like the reflective ness of semigloss
ALWAYS SAVE SOME OF THE PAINT YOU USE never throw it out make sure you seal it perfectly tight make a mark on the can lid with a mark on the bucket so that way you put the lid on the same way everytime the paint will last forever