Here is a site that can help students by tutoring students including a program on growth mindset but you can also use this site to help by watching youtube videos made by khan academy to teach students new ideas in a different way.

An excellent resource for students who learn well with music is This  link to a site called songs for teachers

A quick link that can be used to make Jeopardy.

Another site that is helpful for reading is a site called reading rocket.

If you are a first year teacher here are two sites that will help you out and give you information.
Teacher heart
We are teachers

A good site for videos is called Class Hook.