Laboratory Science:
The Jackson Laboratory (Bar Harbor, Maine) has a ten-week residential Summer Student Program that pays a generous stipend and places you in a research lab http://education.jax.org/summerstudent/index.html
Maine high school students can also do a residential summer research program at the Mount Desert Island Biological Laboratory. It does not pay a stipend. http://mdibl.org/education/hs-undergrad/hs-applications/
Dr. Robert Ballard’s Ocean Exploration Trust has a summer program for high school students called the Honors Research Program. You spend four weeks on the campus of the University of Rhode Island’s Graduate School of Oceanography learning research methods and then one week on board the trust’s research vessel Nautilus. The program pays for travel, food and lodging. You can earn college credit from the University of Rhode Island. http://www.oceanexplorationtrust.org/
The Center for Excellence in Education’s Research Science Institute takes place every summer on the MIT’s campus in Cambridge, Massachusetts. Eighty high school students take classes and do a five week research internship. It’s free. http://www.cee.org/research-science-institute
The Dana Farber/ Harvard Cancer Center’s CURE Program (Boston) offers paid mentored research experiences to high school students from underrepresented populations http://www.dfhcc.harvard.edu/research/cancer-disparities/students/cure-program/
The Broad Institute’s Summer Scholars Program (Boston Area) places high school students in biomedical research labs for six weeks. The program is free. http://www.broadinstitute.org/partnerships/education/k-12-outreach/broad-summer-scholars-program
The Forsyth Institute’s Educational Outreach Program (Boston) has eight-week paid summer biomedical research internships for Boston public high school students. http://forsyth.org/educational-outreach-program
The American Museum of Natural History in New York City’s Science Research Mentoring Program for high school students has you take a three week summer institute and then work four hours per week doing research in biology, anthropology or astronomy at the museum. The research pays a stipend. http://www.amnh.org/learn-teach/grades-9-12/science-research-mentoring-program
The Rockefeller University (New York City) Summer Science Research Program places high school students in Rockefeller University labs. The program is free. They also have an after-school program for high school students. http://www.rockefeller.edu/outreach/summer_science
New York City’s Department of Education has published an excellent 14-page list of high school internships and scholarships in the greater NYC area. http://schools.nyc.gov/ui/cms/sites/empoweringboys/docs/takeaction/Real_World/High%20School%20Internships%20and%20Scholarships.pdf
High school interns can earn up to $2000 doing summer research at the State University of New York at Oneonta’s Biological Field Station. http://www.oneonta.edu/academics/biofld/internships.asp
Cornell University’s Boyce Thompson Institute for Plant Research has paid research internships for local (Ithaca, New York) high school students. http://bti.cornell.edu/education/internships/
High school and college students can get paid summer internships in biomedical research at the National Institutes of Health in Bethesda, Maryland. https://www.training.nih.gov/programs/sip NIH also has a separate high school scientific training and enrichment program (HISTEP) for students who live near Bethesda and don’t attend affluent schools. https://www.training.nih.gov/histep
The National Cancer Institute’s Werner H. Kirsten Student Internship Program (Frederick, Maryland) places local students in biomedical research labs for eight weeks during the summer and pays a stipend. https://ncifrederick.cancer.gov/careers/student_programs/internships/SIP/
George Mason University’s Aspiring Scientists Summer Internship Program (Washington DC Area) places high school students in university labs. The program does not pay a stipend or offer housing, but it is free. http://assip.cos.gmu.edu/
The Max Planck Florida Institute for Neuroscience (Palm Beach County, Florida) has paid summer research internships for high school students. http://www.maxplanckflorida.org/education/education-outreach/summer-research-internships/
The MD Anderson Cancer Center (Houston) has a paid summer biomedical research internship for Texas high school seniors. http://www.mdanderson.org/education-and-research/education-and-training/schools-and-programs/summer-science-programs/high-school-program/high-school-summer-program.html
The Saturday Academy (Portland, Oregon) Apprenticeships in Science and Engineering (ASE) program places over 100 local high school students into paid science internships with Portland-area universities and businesses. http://www.saturdayacademy.org/ase/student-information
Stanford University has many science and technology programs for high school students, some paid, some free, some you have to pay for: http://oso.stanford.edu/programs/audiences/5-high-school-students
The Arthritis Foundation Summer Science Internship (San Francisco Bay area) places high school students in rheumatology and immunology labs at Stanford University or the University of California at San Francisco and pays a stipend. http://www.kintera.org/htmlcontent.asp?cid=633340
The Buck Institute’s High School Summer Scholars Biology Research Immersion Program (Novato, California) is for San Francisco Bay Area teenagers. http://www.thebuck.org/content/summer-scholars
The Introductory College Level Experience in Microbiology is an eight week paid summer internship managed by the University of California at Berkeley for low-income high school students from Alameda, Contra Costa and San Francisco Counties, California. http://www.synberc.org/iclem
The University of California at San Francisco’s High School Summer Internship Program is limited to students in the San Francisco Unified School District who are juniors. They do biomedical research. http://biochemistry2.ucsf.edu/programs/sep/internships.html
The University of California at Los Angeles’s Early Academic Outreach Program has published a 5-page list of summer programs and internships for high school students; many of them are in the Los Angeles region http://www.eaop.ucla.edu/activities/summer.html
The Children’s Hospital Los Angeles High School Internship places Los Angeles high school students of color into laboratory research. http://www.chla.org/samuels-family-latino-and-african-american-high-school-internship-program-la-hip The Children’s Hospital Oakland Research Institute does the same. http://www.chori.org/Education/Summer_Internship_Program/summer_research_home.html
The Scripps Research Institute (San Diego) has paid summer biomedical research internships for high school students. http://education.scripps.edu/community/california/hsintern/index.html
The nonprofit http://www.pathwaystoscience.org/ maintains a giant list of science opportunities online for young adults. You can search it by region, by institution, by field of study, etc.
Technology:
The Massachusetts Institute of Technology (Cambridge, Massachusetts) offers four free science and technology programs for high school students, and one for middle school students. One of them (MOSTEC) is done mostly online. https://oeop.mit.edu/programs
Northeastern University’s Young Scholars Program places Boston-area high school students in science and engineering research labs for the summer. The program costs nothing. http://www.stem.neu.edu/programs/ysp/
The J. Craig Venter Institute (Rockville, Maryland and La Jolla, California) has paid internships in genomics for high school students. http://www.jcvi.org/cms/education/internship-program/
The University of California at Los Angeles’s Center for Excellence in Engineering and Diversity offers a program called SMARTS which includes math classes, SAT preparation, and the opportunity to be a research assistant in an UCLA lab. http://www.ceed.ucla.edu/programs/k-12 Also, UCLA’s Engineering Science Corps Outreach Program/High School Summer Research Program places high school students in UCLA engineering labs for eight weeks. https://esc.seas.ucla.edu/
Facebook Summer Academy offers 42 high school sophomores paid summer technology internships at Facebook’s campus in Silicon Valley. Only students living in certain neighborhoods in and near San Francisco are eligible. http://facebooksummeracademy.com/
Microsoft’s Summer High School Program Internship in the Seattle Area pays a stipend. Microsoft also has a year-long Apprentice Program. https://careers.microsoft.com/students/highschool
Google’s three-week Computer Science Summer Institute is for high school seniors who plan to study computer science or electrical engineering in college. They bring you to one of five Google offices in Silicon Valley, Cambridge Massachusetts, New York City, Chicago or Seattle and provide food, lodging and instruction. It costs you nothing. https://www.google.com/edu/resources/programs/computer-science-summer-institute-cssi/
Girls Who Code is a national nonprofit organization that offers a free intensive summer immersion program for high school girls interested in computer science in Boston, Chicago, Los Angeles, Miami, New York, Seattle, the San Francisco Bay region, and Washington, D.C. http://girlswhocode.com/
Microsoft’s DigiGirlz events, camps and online classes are free to high school girls. Locations vary. http://www.microsoft.com/en-us/diversity/programs/digigirlz/
The National Aeronautics and Space Administration (NASA) has hundreds of internships available for high school students at its twelve centers. Locations include the NASA Ames Research Center in Moffett Field, California; the Jet Propulsion Laboratory in Pasadena, California; the Johnston Space Center in Houston; the Kennedy Space Center near Cape Canaveral, Florida and the Goddard Space Flight Center in Greenbelt, Maryland. https://intern.nasa.gov/ossi/web/public/main/ Goddard’s is called the National Space Club Scholars Program. http://www.spaceclub.org/education/scholars.html
The American Society for Engineering Education’s Science and Engineering Apprentice Program (SEAP) places high school students in U. S. Navy labs for paid summer research experiences. There are lots of participating labs; most are in in the Washington, D.C. area, Florida and California. http://seap.asee.org/ The Army Educational Outreach Program his three similar apprenticeship programs (SEAP, HSAP, REAP) for high school students nationwide. http://www.usaeop.com/programs/
The Marine Technology Society (San Diego) has paid six-week summer internships for high school students. Placement is with ocean science institutions and companies in the San Diego area. https://www.mtsociety.org/education/internship.aspx