How important is senior year schedule?

Highest level of math completed?
Highest level of foreign language completed?
Did you complete all three of biology, chemistry, and physics?

How selective are the colleges you are considering?

How does your overall course selection compare with that suggested in http://talk.qa.collegeconfidential.com/college-admissions/1995563-faq-high-school-college-prep-base-curriculum.html ?