Northern hosts the annual Northern South Dakota Science and Mathematics Fair, showcasing hundreds of projects from young scientists in grades 6-12 from this region.

40th annual Fair

March 30, 2023


The event is affiliated with International Science and Engineering Fair (ISEF) in Washington, D.C. Between 400 and 500 students are expected to exhibit projects involving biology, botany, chemistry, physics, health and medicine, and more. Top winners will have an opportunity to exhibit at ISEF. Judges are approximately 70 professionals from the Aberdeen area; Northern faculty; and upper-level Northern students.

Forms and Registration


  • December 15, 2022 for forms needing prior approval from the NSU Science Department of Science and Mathematics
  • March 10, 2023 for judges' registration form submission
  • March 9, 2023 science fair final registration 

Science Fair Registration

Judge Registration Form

Dwayne Rehfeld Award

ISEF Rules, Forms and Guidelines

ISEF Forms Wizard (to help you determine which forms and approvals are necessary before beginning a science fair project)


2022 Winners 

Individual Grand Winners

Dillon Browning, Warner High School

Avery Miles, Doland High School


Team Grand Winner

Harlee and Mikael Nelson, Hitchcock-Tulare School


Student Observer to ISEF

Sophia Uttermark, Aberdeen Central High School


What makes a good science fair project?

Students: Have you ever wondered how to begin a science fair project - what makes a good project - what sort of project to do? Explore below to learn how to get started!


International Science and Engineering Fair

Top winners of the math and science fair have an opportunity to exhibit at the International Science and Engineering Fair (ISEF).


Affiliated with intel ISEF, a program of Society for Science and the Public






Jewett Regional Science Building Room 112