We just got back last night. Crowd level 10. It'll be like that for the next few weeks. It's Spring Break, and jam packed.
The huge cheerleading competition was going on as well so lots of cheer squads.
I thought they were very well behaved at the hotel, with the exception of a few girls who acted like animals. Why their adults did not tell them they can't scream and run down the halls at midnight is beyond me, but there are always a few in a group.
Be prepared for big crowds, long waits. Use FP, get dining reservations, lower your expectations on how much you'll do.
The line for Pirates was longer I have ever seen it in my whole life. Same with Big Thunder. I never knew they could zig-zap and wrap lines around like they did. It was amazing.