Singapore's largest student-run 24-hour hackathon, organised by NUS Hackers: no problem statements and no theme, build whatever you want, with a prize for all-pre-university teams.
Competitive Programming Federation of Kazakhstan (CPFED)
Kazakhstan's national AI olympiad for grades 9–12 and the route onto the national team for the International Olympiad in Artificial Intelligence (IOAI).
Iowa FBLA's 2027 state conference where high school members compete in business competitive events (accounting, marketing, finance, management, technology, public speaking and more) and attend leadership workshops; top finishers can qualify for the FBLA national conference.
UT Austin College of Natural Sciences — Freshman Research Initiative
A five-week, non-residential lab research program in UT Austin College of Natural Sciences research groups, with UT extension credit and a closing poster symposium.
A one-week, non-credit residential summer institute at Wake Forest University for high school students. Explore women's health in a summer institute for high school students.
North Dakota HOSA's 2027 state conference where high school members compete in health science competitive events (health knowledge, clinical skills, emergency preparedness, leadership) and attend leadership workshops; top finishers can qualify for the HOSA national conference.
National Laboratory of the Rockies (formerly NREL) and SLAC, administered by ORISE
A six-week summer program where high-school students and recent graduates from the Denver and Bay areas explore scientific research, energy technologies and STEM careers with national-lab scientists.