I'm significantly older (careering towards 40) and often wear plaits.
My hair is also long & thick and plaits keep it out the way.
I have to wear all my hair up and under a net and hat for work, so often resort to a french roll thing. Alternatively, I wrap plaits into low buns between my ears/nape of neck and secure with those corkscrew pins. On non-work days, I start my plaits higher so my buns sit above my ears, and channel my inner Princess Leia.
I am now off to source those Adventure Time Doc's.