I have expected a lot worse because of very low ranking on IMDb. Yes, this movie is definitely not a gem, but it is funny in a playful way. The jokes are mostly mild, I was not laughing aloud but I have definitely smiled for the most of the movie. At least this comedy is not filled with obscene jokes, farting and vomiting as is typical for low ranking comedies these days. So you can watch this movie with your kids as well.
The best part is probably "the war with the tomatoes" sequence. But other scenes are actually very good as well (the stories of the tourists suffering the endless tour in the castle). There is a ton of different books and movies being parodied in the movie, yet it is surprisingly not offensive towards the French too much. There is some baguette-waving and such jokes but fun is made at the expense of American school system as well. The "US school map" of Europe is really hilarious, I would like to buy one!
Not really great but definitely not waste of time either. Just a bit of moderate silly fun.