Oklahoma State University Honors College — Junior Science and Humanities Symposium (JSHS)
The Great Plains regional Junior Science and Humanities Symposium, hosted by Oklahoma State University Honors College: high school students present original STEM research and compete for scholarships and recognition; no cost to register or take part.
The Kentucky state final of Poetry Out Loud, the national poetry recitation contest for high-school students; the state champion goes on to the National Finals in Washington, DC (April 26–28, 2027).
Scottish Mathematical Council (UK branch of Mathématiques sans Frontières)
A 90 minute team mathematics competition, run in the UK by the Scottish Mathematical Council, in which a class tackles puzzles including one that must be answered in a foreign language.
Longwood University — Junior Science and Humanities Symposium (JSHS)
The Virginia regional Junior Science and Humanities Symposium, administered by Longwood University: high-school students present original STEM research and compete for scholarships and recognition, with no cost to take part.
A 10-week, full-time translational research internship in the Texas Medical Center for high-school juniors and seniors, ending with a poster symposium.
Teach Democracy (formerly Constitutional Rights Foundation)
The 46th annual California Mock Trial Competition: high-school teams argue a fictional case in county competitions, with county champions advancing to the state finals.
Capital University — Junior Science and Humanities Symposium (JSHS)
The Ohio regional Junior Science and Humanities Symposium, hosted by Capital University: high school students present original STEM research and compete for scholarships and recognition; no cost to register or take part.