Cymphonique Miller wears this American Apparel Chiffon Double-Layered Shirred Waist Skirt as Kacey Simon on the Nickelodeon TV series How to Rock. 

I am pretty sure this is the exact skirt she wore. Unfortunately there is no red colour left :( buy you can buy it HERE and a range of 25 colours for $42

I found a copy of this exact skirt on eBay selling for around $10. there are about 65 listings. Check it out HERE

I also looked for Similar red skirts for this:
Sparkle & Fade Pleated Chiffon Miniskirt HERE for $49
Belted Skuba skater Skirt HERE for $25
or
ASOS Mini Skirt With Hi Low Hem HERE for $35