The Book of Love
The Book of Love by Kelly Link.
Desperate Housewives but university first years and magic.
Not winning a Pulitzer, but it was an enjoyable ride. The opening gave me high hopes by teasing an interesting world beyond the protagonists' understanding, then let me down by proving it was still beyond their understanding right up to the end.
Every interesting secret or ability ended up being disgorged in their general direction or handed to them before they even needed to think about it. Need to learn magic by a deadline? Just don't think about it at all and...