ADPRIMA(site info)
For teachers and prospective teachers. "How to" information ranging from lesson planning to classroom management, and curriculum theory.
http://www.adprima.com/
Resources for Advanced Placement Teachers(site info)
A non-profit corporation that works with Texas schools and the private sector to manage Advanced Placement (AP®) and (Pre-AP) incentive programs, partnerships whereby a private donor provides incentives to a school district to increase the number of students passing AP exams.
http://www.apstrategies.org