If you have a school uniform, think 'Gossip Girl'. Blair had the ultimate preppy school-girl style! If you're no longer in school but wish you had the chance to rock the cute uniforms, create a similar outfit. Knee-high socks are a must. Pair it with a high-waisted skirt and button-up top. To complete the school-girl vibe, add a cute bow-tie! You can add some color to the outfit with a cardigan or cross body bag.