Challenging summer enrichment program for very bright high school math/scioence students. Astronomy-based. Campuses in California and New Mexico. Now in its 48th year. SSP is operated by Summer Science Program, Inc., an independent non-profit corporation, and established in cooperation with California Institute of Technology, Harvey Mudd College, Jet Propulsion Laboratory, New Mexico Tech, Pomona College, Stanford University, and UCLA. It is an accredited observing affiliate of the Harvard/Smithsonian Center for Astrophysics.