Hi R., I would say AIM HIGH! And yes have at least one safety.
With an 1800+ on her SATs she will be getting MANY MANY offers of short application process. My son had the same score, he got many offers for no application fee, essay waived, automatic consideration for Honors Program, just sign on the dotted line (interpretation, PLEASE bring your huge scores and giant SATs to our school!)
He applied to mostly mid-range schools, RPI, MIT, Drexel, (not sure if that means anything to you on the west coast), Clarkson, and 2 state schools. He was offered a substancial Merit Scholarship to all except RPI (pssht).
WE had planned to visit the ALL of the campuses if only for the day, until we spent a weekend at the RIT campus. With their outstanding Engineering programs, co-op programs in mind, the campus itself was PERFECT for my exceptionally bright, very focused son with, uh, somewhat challenged social skills.
After we started receiving the offers, I wished we'd aimed higher, as a general rule the merit scholarships were larger with the more expensive schools.
Still I did not want him beyond driving distance, we would not have the money to be flying back and forth.
As far as the dance comp is concerned, colleges look at involvement outside of academics as well, it shows commitment to be a competive dancer, and involvement, and leadership.
Most schools offer private tours anyway, which can actually be MORE informative the open house type visits.
Don't stress too much, as long as her grades stay up, she still has a little time to narrow it down to 5 or 7.
It's more about who's got the best program for what she's into, you know? And the 'feel' for the campus.
The MOST important thing for her college success is HER perception that she is in the RIGHT place for her, that SHE decided (even if you don't agree)
It very overwhelming isn't it? I just got one off a month ago, and I also have a junior so I have to get started on that one right away.
In the end, SHE needs to be happy with her own decisions.
Go for the GOLD!!!