Stripes and sneakers scream school days to me. I updated the look with a great structured backpack and modern accessories. Casual, yet put together!

Dorothy Perkins tshirt dress

dorothyperkins.com

Vans red shoes

swell.com

Backpacks bag

$36 - newlook.com

Black watch

zazzle.com

Pendants necklace

nastydress.com