The site is intended for K-12 teachers. The site is available on a consistent basis. Resources can be accessed easily. Accuracy Information on the site is accurate. There are thousands of lesson plans here.
Many sites have their own index with thousands more.
Although the lists are not in any order, the titles will give you a clue to what each site is about. Many sites cover all subjects for k-12, and some are topic oriented. Other links can be e-mailed to be added to the site. The text follows the basic rules of grammar, spelling, and literacy composition. The lists are not in any order.