Is it me or the camera?

[Optical]

I went to a childs pool party on the weekend. It was very cloudy and then the sun came out then went in again. The pool area was quite shady so I had the white balance in "shade". I have noticed that my images have come out quite red (very red). Would the white balance made the photos too red or is there something else I should have done? I'm still learning the ins and outs of the camera (obviously haven't learnt enough) and would appreciate any feedback good or bad. The camera I had used is a Nikon D60 and the lense 55-200mm. No flash used. Thanks.