Don't rule Christian colleges out yet!!!!!
Until your daughter has applied, been accepted, applied for financial aid and received a financial aid package from a college, it is impossible to know what it will cost her to attend any given college. At present, you are looking at price tags and that, in addition to being very scary, makes it look like private education is out of the question. But in addition to government money, colleges have their own scholarship programs, and many offer full tuition, and even full tuition, room/board etc.
If your daughter has an interest in Christian colleges, by all means, check them out! Just make it clear to her that the final cost will be a major factor in deciding where she can attend. Apply to both Christian colleges and state universities and see how the money crunches out in the end. If she is a strong student, and it certaily sounds like she is, there will be some very generous packages awaiting her. Plus, colleges also use scholarships to attract students to various programs. The number of women in physics remains small, for example, so a school may be willing to put more money behind a woman majoring in physics then a woman majoring in education.
Also, she can start looking on-line now for scholarships she might be eligible for no matter where she goes to school. Searches like
www.fastweb.com will do a search for her, but she should also do her own using search engines and searching for "women's physics scholarahips" "women's science scholarships" "Alaska scholarships" etc. etc.
Calvin and Wheaton are good choices... Closer to home, check out Seattle Pacific University and Whitworth in Spokane. Houghton college in NY (I know - other side of the country!) has an excellent academic reputation as does Westmont in Santa Barbara. King College in TN is also known for it's science programs. All of the above colleges offer majors in physics. These are also colleges that are solid academic institutions. 31% of King College graduates go on to graduate or professional school, 25% of Houghton's, 25% from Wheaton, 20% from Whitworth.. don't have the figures on the others. I know many graduates from Christian colleges who have gone on in education and found that they were very well prepared, often better prepared than their peers from better known institutions.
A great tool can be found at:
www.christiancollegesearch.com
In the end it may still be too expensive to send her to a private college, but don't close the door without having checked out the possibilities.