4. PennScience High School Journal (PSHSJ) | pshsj.org High school students only | International | Free
Established 2024 and run by University of Pennsylvania students and faculty. Accepts 3–5 page manuscripts (including references) in social sciences, natural sciences, and engineering. The Penn affiliation gives it credibility despite being newly established — newer than ideal for an admissions credential, but legitimate and improving.
Authorship: High school students only. Solo or team submissions.
Deadline: Fixed annual cycle. Submission form opens in May, closes November 1. Results by mid-February; publication by mid-April.