Best Web Sites for Teachers. Of all Internet users, teachers must surely be among those best-served - the sheer volume of (mostly) free online resources available, their rich variety, their usefulness as learning tools, the dynamism of the environment as resources are developed to meet new challenges, are a tribute to the educators at every level who make it all possible, and to those who ultimately make it all worthwhile - the teachers and students who put the materials to good use. What Makes a Good Educational Website? * The ALA's