To add onto this topic, for the girls:
1. Remember if you wear nail polish, make sure it is not chipped or out there colors, unless you can do it to show some type of school pride...i.e. I am sure if you went to UNCCH, and wore Tarheel Blue, the interviewer would think it was cute, and may even use it as an ice breaking subject...Oh Ms. Smith I like that Blue on your fingers. Showing up with your nails in Blue Devil Blue wouldn't be wise!
2. Be mindful of your shoe selection.
Yes, heels are fine, but remember feet begin to hurt in heels, and although they may look great with the outfit, it won't help you at all if you are saying ums, uhs, during the interview because all you can think of is that you can't wait to take them off!
If you buy new heels, break them in. Remember to scratch the soles on concrete because you maybe walking on carpeting (not pile, indoor/outdoor type) and you don't want to slip or trip into the interviewers arms
3. Skirt length
Practice sitting down in a chair in front of your folks to see how short the skirt goes when you sit down, and how it moves/rides up when you cross/uncross your legs.
Current styles out there may be below the fingertip, which is usually the school rules, but not what you would wear in the military and that can be distracting.
In other words just because when you are standing up you look great, doesn't mean that the same will be said when you sit.
4. Jewelry
If you have multiple ear piercings or body piercings, bring it down to just a pr in your ears, and make them simple studs, nothing out there...no big hoops or dangling things
Don't wear a necklace or bracelets. Traditionally girls will start playing with these items unconsciously, and again it is a distraction to the person who is interviewing. Plus if you wear multiple bracelets they make noise every time you move your wrist, again it could be annoying to the interviewer.
5. Hair
For girls I think it is different than guys. Interviewers don't expect guys to come in with reg. haircuts, but let's be honest how much can a guy style his hair anyway.
For girls, if you have one of the hottest new trends of a feather in your hair, depending on where it is and what color, you may want to remove it. Our DD has one, but it is close to her hair color and actually if she wants to hide it she can just tuck it behind her ears and nobody would ever see it. Now if it was blue or hot pink even than it would be visible.
A friends DD had a bleach streak behind her hair, and her interview was in October, she had it died pink. She made it a point in the interview to tell them that her mother had breast cancer, and it was breast cancer month, so she died it in support of that cause. She got a scholarship, and I am sure that pink streak, although not commonly acceptable, was a plus for her interview. They did ask what color she does the 11 other months of the yr, she said she dies it back to her natural color.
Remember in the military girls all have regs regarding their hair and how it is worn.
Finally for both guys and girls, although I know legally you are suppose to be 18 before you get a tat, but if you have one cover it up! So if that means you wear a long sleeve shirt because it isn't covered wearing a short sleeve shirt, than so be it. Regs in the military are NO VISIBLE tats when in uniform.