I have a 7 yo son with ADHD (& SPD, LD) & a 11 yo daughther with ADHD (& LD & Tourette's) & like a pp said, ADHD manifests itself differently in girls than in boys. Here's a DSM criteria list that may help here: http://add.about.com/od/evaluationan...smcriteria.htm
Getting your dd assessed is a great first step. Going thru your pediatrician will basically serve as a stepping stone for a referral (either for assessment thru your school psych/panel and/or privately (with a psychologist/psychiatrist).
Some things that we do at home that help give some order & sanity back to *everyone* are:
1. Use a chore chart, so she can constantly check her progress off. I made a simple one on the computer & put it in a plastic sheet protector & give them a dry erase pen to check off the boxes.
2. Use a timer & set reasonable time limits on whatever (shower, getting dressed, doing one assignment)
3. Fresh air breaks throughout homework time to burn off some of that "hidden" hyperactivity
4. Chewing gum (either before or during homework --again for that hyperactivity part) --you'll know whether your child can chew gum & work at the same time or not (my son can't; my dd can).
5. *Daily* fish oil. *Caffeinated* tea (read studies where some caffeinated drinks contain the same amount of stimulant as Ritalin --which may be something interesting for you to research & consider). Stay away from foods/drinks with dyes.
6. Using a weighted blanket and/or standing while doing homework (the added pressure seems to help).
Getting your dd assessed will allow her to have an IEP which will be her "passport" for teachers/classroom to make allowances for her situation & tailor it to *her* needs so she can be as successful as she can be. (We home school, but my 3 yo son is enrolled in EC/SE, so he has an IFSP (like an IEP), so have exp thru that) --just wanted to give you full disclosure.
If you haven't already guessed, we've taken the "natural" route --I'm not encouraging/discouraging 'scripts --just saying what we're doing. We see a naturopath. The natural supplements that have been prescribed for my children have worked okay for my dd (but mostly for her Tourette's) & haven't done anything perceivable for my ds... so we're still researching. But all of the above listed items we do & are tried & true things that have helped us manage ADHD in a healthy way for everyone. HTH!