I had a first interview for this job last week. I have an observation/second interview in front of a panel on monday. It's for a teaching position in a (public charter) preschool. Do I need to wear a suit? I know that the dress code there is business casual. Would black dress pants, a gray sweater (doesn't have buttons like a cardigan, but opens in the front with frills), a black tank top underneath the sweater, and some jewelry be a good outfit?