Need some good .edu blogs for SEO where the comments get approved. Please share...

Edublogs.org hosts hundreds of thousands of education blogs. You can easily create and manage student blogs or teacher blogs. It's powered by WordPress and you can use many WordPress features, including the customizable themes. It's easy to set up podcasting, videos, and photos. Because it's powered by WordPress, you have complete control over which comments and posts get published. Any visitor can leave a comment, and you can moderate the comments before they go live on your site.