I got two B's second semester junior year of high school. How much does that ruin my chances of getting into a good school?

I disagree with your premise. There are thousands of good schools - and I’m sure you’ll get into a great one.

Your list - and it depends on major - but most likely you’d be in at UW - the rest, it depends - could be, may not. Partly depends on major.

You don’t list if costs is a factor - but there are wonderful merit opportunities - Arizona, for example, where you could do Honors.

You need to add some target schools - so while you have BU, how bout a U of Pacific or U of Denver, etc. Where you have BC, how about Santa Clara, etc.

Good luck.