I think it was called "The Disappearance of Bunny Snow"....

In the film, a mother is divorced and moves to a new place, where she enrolls her daughter in school. One day, when she goes to pick up her daughter, they tell her she has no daughter there, nor any girl by that name in the school. She goes back home and her daughters things are all gone. She thinks she's going crazy and all the while it was her ex husband setting her up.

There is a swing scene in the movie, it was filmed in black and white, and the mother and daughter are both blonde.

If anyone knows anything about it, please tell me. There is no info that I can find on it.

(Also, if you happen to know the name of the movie where these kids blindfold a girl and count down to midnight and then she disappears. The movie is the search for what happened I believe, and involves a re-enactment of the event....please do tell as well)

Thanks!

You're close. It's called Bunny Lake is Missing, and starred Laurence Olivier and Carol Lynley.

Bunny Lake Is Missing (1965)

THANK YOU! SO MUCH!!!!

and the other movie is watcher in the woods

THANKS AGAIN!

Watcher in the Woods is terrifying...and it's a Disney movie. WTF.