jQuery offers tutorials in 20 different languages, including English, and these tutorials range from general to advanced.
Has a number of very well written tutorials on a wide array of topics such as photo effects, HTML form creation, sliders, and galleries. The tutorials are supported by demos and sample code, and references and examples are included as well.
Has a number of jQuery tutorials, all of which well written and accompanied with demo and code snippets. In addition, a direct download of the used code is available as well, allowing the user to grab the code and try it on his or her computer instantly.
One of the best-organized sites, where you can search the tutorials by keyword and browse them by categories. In addition, they are divided into beginner, intermediate, and advanced levels, and are supported with code snippets.
Has some excellent posts on jQuery. Definitely worth checking out regardless of your skill level.