Water Environment Federation (U.S. Stockholm Junior Water Prize)
A research competition for high school students with water-related science projects: state winners advance to a U.S. national final and the national winner represents the U.S. at World Water Week in Stockholm.
An MIT student-run program that funds and mentors high school students' STEM research proposals: finalists get up to $1,000, weekly mentorship and, if permitting, a trip to MIT.
The Wisconsin state championship of Science Olympiad for high school (Division C) teams, held April 3, 2027 at a host site to be announced; top teams can advance to the national tournament.
The Nevada state Science Olympiad tournament, where school teams compete in science and engineering events for the state title and a place at the national tournament.
Hands-on engineering courses — virtual and residential — for ages 12–17, with fully funded places for students from lower-income or under-represented backgrounds.
Nevada SkillsUSA's 2027 state event where high-school members compete in technical, skilled-trade and leadership contests (construction, automotive, manufacturing, IT, health, culinary, public speaking and more) and attend leadership sessions; top finishers can qualify for the national SkillsUSA event.
Kansas 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.
North Carolina's statewide high-school mock trial competition, run by the North Carolina Mock Trial Program: school teams argue an original case as attorneys and witnesses, advancing from local rounds to the state finals; the state champion represents North Carolina at the National High School Mock Trial Championship.
Washington History Day — Office of Superintendent of Public Instruction (OSPI), with the Washington State Historical Society
Washington's state-level National History Day contest, where students present original historical research on the 2027 theme "Innovation in History: Impact, Influence, Change" and compete for spots at the National Contest.