Maintains a directory of educational resources (yes, Project ASTRO is in there) and keeps a mailing list of interested teachers. Contact Pat Winter: pat.winter@gat.com.
Offers small grants ($200) to school education programs promoting the use of science and math in the classroom. Certainly worth applying for!
A one-stop child and teacher resource site at the Jet Propulsion Laboratory, Pasadena. Provides lesson guides online, and you may also order free NASA hardcopy materials (when available).
If you are covering a specific topic (e.g. Sun, Mars, comets) and would like hardcopy materials (calendars, beautiful posters, activities, CD-ROMS etc), you may contact: Dr. Nancy Leon at (818) 354-1067 or email: nancy.j.leon@jpl.nasa.gov - and mention you are a Project ASTRO San Diego partner. (Be aware though that availability of specific NASA items changes rapidly).
NASA also provides a comprehensive website for Solar System Exploration: http://solarsystem.nasa.gov, which has current news and information on NASA missions to the planets and their discoveries.