QuestBridge Application Portal vs Regeneron ISEF 2026

Comparing two elite STEM opportunities. QuestBridge Application Portal is a scholarship while Regeneron ISEF 2026 is a competition.

QuestBridge Application Portal Regeneron ISEF 2026
Prestige Tier Tier 1 — Elite Tier 1 — Elite
Type Scholarship Competition
Organization QuestBridge Regeneron
Acceptance Rate Exact finalist selection rate not publicly disclosed, but highly competitive. Estimated 5-15% of applicants become Finalists. Among Finalists who rank colleges, match rates vary significantly by college choice but QuestBridge states 'Finalists who match are admitted to a college partner with a full four-year scholarship.' Roughly 1,700 finalists are selected from 365 affiliated fairs worldwide. Getting to ISEF requires first winning regionally, which itself is competitive. Estimated <1% of all science fair participants globally reach ISEF. At the ISEF itself, approximately 600 of the 1,700 finalists (~35%) receive some award.
Applicants Exact annual numbers not officially published, but estimated several thousand high school students apply nationally each year Millions of students compete in science fairs globally each year; approximately 1,700–1,800 reach ISEF as finalists
Deadline Rolling
Cost to Apply Free Free
US Only Yes No / International
Grades High school seniors only Grades 9–12 (high school students only; middle schoolers compete in the separate Junior Innovators Challenge)
College Impact QuestBridge is viewed very positively by college admissions officers and is considered a significant achievement. Being selected as a QuestBridge Finalist demonstrates exceptional academic ability com... ISEF finalist status is one of the most powerful extracurricular credentials in college admissions. Being named an ISEF finalist (simply qualifying) is Tier 1 on most admissions frameworks. Grand Awar...