University of Maine — Junior Science and Humanities Symposium (JSHS)
The New England Northern regional Junior Science and Humanities Symposium, hosted by University of Maine: high school students present original STEM research and compete for scholarships and recognition; no cost to register or take part.
Orange County Science and Engineering Fair (OCSEF)
The Orange County Science & Engineering Fair, a regional science and engineering fair for Orange County students affiliated with the California Science & Engineering Fair (CSEF) and Regeneron ISEF.
TOHOシネマズ株式会社 / TOHOシネマズ学生映画祭実行委員会 (TOHO Cinemas Ltd. / TOHO Cinemas Student Film Festival Executive Committee)
A student film festival held in a TOHO Cinemas multiplex, with short film, short animation and promotion (POP & COKE) divisions and a special 'U-18 Expectation' slot that screens works by high school students and younger.
The 79th Annual Oklahoma Senior Beta Convention, where high-school National Beta Club members compete in individual and team competitions and run for state leadership positions.
Wales's national youth festival, with over 400 competitions in singing, dancing, instrumental music, drama, literature, art, design and technology and digital content. The 2027 festival is at Tredegar House, Newport, Gwent.
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.
International Flash Fiction Association, University of Chester
A free national short-story competition for sixth-form students aged 15-19 studying in the UK. Stories must be no more than 360 words including the title.