This site is devoted to school mathematics. It has links for teachers as well as links for students of all ages.
Teachers can find lesson plans by topic as well as integrated lessons.
One of the highlights of this site is a section called Ask Dr. Math . Here you can find out what is happening in the world of mathematics education. It includes an online version of the newly revised Standards 2000. This is the official website of the Association of Mathematics Teachers of New York State. It contains information about the organization.