A free residential STEM and communications program for North Carolina students: current 8th graders apply and attend as rising 9th graders, then may return as rising 10th graders.
A Youth Science Canada-affiliated regional science fair for students in grades 5-12 in the Calgary area, held at the University of Calgary Olympic Oval with a path to the Canada-Wide Science Fair.
University of California — California State Summer School for Mathematics and Science (COSMOS)
A four-week residential STEM program on six University of California campuses for California high-school students, with hands-on, lab-intensive clusters taught by UC faculty.
University of Calgary Computer Science Undergraduate Society (CSUS)
A free 24-hour University of Calgary student hackathon open to anyone aged 14 or older, with a separate prize pool for high school and first-year students.
Temple University College of Science and Technology — Junior Science and Humanities Symposium (JSHS)
The Philadelphia and Delaware regional Junior Science and Humanities Symposium, hosted by Temple University College of Science and Technology: high school students present original STEM research and compete for scholarships and recognition; no cost to register or take part.
Royal Conservatoire of Scotland (Junior Conservatoire)
An intensive year-long classical music programme with one-to-one lessons, ensemble work, performance and musicianship classes, taught on Saturdays at the Royal Conservatoire of Scotland. Entry is by audition and no minimum grade is required.