My grandma introduced me to “El Club de la Araña” (The spider´s club) e a couple of months ago, she has been taking classes since 2013(I believe)
How is it like?
One website you can visit if you prefer learning by your own is Craftsy. Here you will see step by step tutorials to learn knitting. Although I feel it´s better learning from someone, it´s a good start to see if you are really into it before buying