South Carolina's statewide high-school mock trial competition, run by the South Carolina Bar: school teams argue an original case as attorneys and witnesses, advancing from local rounds to the state finals; the state champion represents South Carolina at the National High School Mock Trial Championship.
VNU University of Education, Vietnam National University, Hanoi
Vietnam National University, Hanoi's science and engineering research-project competition for Grade 8–12 students, judged in person at Hoa Lac on 19–20 December 2026.
Washington's state final of Poetry Out Loud, the national poetry recitation contest for high-school students run by the state arts agency with the National Endowment for the Arts and the Poetry Foundation.
Ocean County College — Junior Science and Humanities Symposium (JSHS)
The New Jersey Southern regional Junior Science and Humanities Symposium, hosted by Ocean County College: high school students present original STEM research and compete for scholarships and recognition; no cost to register or take part.
A national STEM competition where public-school students, guided by a teacher, design solutions to real problems in their community and compete for up to $50,000 in technology and classroom resources for their school.