American Association of Variable Star Observers (AAVSO)
An international nonprofit organization that trains and supports amateur and student astronomers in observing and reporting variable star brightness data used in real astrophysics research. AAVSO offers free beginner tutorials (including a no-equipment-needed 10-Star Tutorial), webinars, mentorship, and community forums for students starting in observational astrophysics.
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International Astronomical Search Collaboration (IASC)
A free citizen-science program in which student teams analyze real telescope imaging data using Astrometrica software to search for and report new asteroids. Month-long campaigns run several times a year and student discoveries can result in official credit and provisional asteroid designations.
Planet Hunters TESS (Zooniverse)
A free online citizen-science project where volunteers examine light-curve data from NASA's Transiting Exoplanet Survey Satellite (TESS) to help identify signals of possible exoplanets. Participant identifications have contributed to real peer-reviewed exoplanet discoveries, and an educator guide supports classroom or independent use.
Fremont Peak Observatory Association
A volunteer-run nonprofit that operates a public observatory at Fremont Peak State Park near San Juan Bautista, offering free astronomy programs, telescope viewing, and multimedia presentations most Saturday evenings. The association also welcomes school, scout, and youth group visits by advance arrangement and offers observer memberships for continued involvement.
Junior Paleontologist Program (National Park Service)
A National Park Service badge program in which students complete a free downloadable Junior Paleontologist activity booklet covering how paleontologists work, Earth's history, and ancient life, then mail it in to receive an official badge. It is part of the wider NPS Junior Ranger system and can be completed independently or after visiting a national park with fossil resources.
Kemper Human Rights Education Foundation Essay Contest
An annual international essay contest run by the 501(c)(3) Kemper Human Rights Education Foundation (KHREF), inviting high school students in the U.S. and abroad to write on an assigned human rights prompt (a new question is posted each year). Winners in separate U.S. and international categories receive cash prizes up to $5,000.
San Francisco Amateur Astronomers
A community astronomy club based at the Randall Museum in San Francisco that hosts free public star parties, telescope viewing nights, and talks for all ages and experience levels. Students can attend events or join as members to learn observational astronomy alongside experienced amateur astronomers.