Parents and guardians who just had kids go back to school or start school: What are your thoughts and first impressions of your child's new teacher(s)?

Parents and guardians who have a child that just returned to school or started school for the first time (presumably that would be kindergarten or first grade): What did you think, what were your first impressions of your child’s new teacher(s)?

I’ll give mine later in the thread but don’t want it to be about my specific impression – I want people to offer theirs.