National Science League
by Continental Mathematics League, Inc.
A national science competition for grades 2-6, managed by the Continental Mathematics League. Students take a timed exam. Annual event, registration details for 2026-2027 typically released later.
About
The National Science League, managed by the Continental Mathematics League, Inc., is a national competition designed for students in grades 2 through 6. Students participate by answering questions on a national exam. The contest for grades 2 consists of 25 questions, and for grades 3 and 4, 35 questions, focusing on factual knowledge and understanding of scientific processes. The time limit for each contest is 35 minutes, administered within a single class period. Schools download PDF files of questions and answer keys, proctor the test, and submit the top ten individual scores to form a school team score. Registration details for the 2026-2027 academic year are typically released later, but the competition is an annual event. The cost is not explicitly mentioned but typically involves a registration fee per school or team.
Who's eligible
Students in grades 2 through 6. Administered through schools.
How to enroll
Schools download exam materials and proctor the test.
Ready to apply?
Information current as of Jun 23, 2026.