The 71st Annual Eastern South Dakota Science & Engineering Fair will take place Tuesday, March 31st 2026
Schedule of Events
*Final schedule will released in JanuaryTuesday, March 31st, 2026
Judge Schedule of Events
Judging day will take place on Tuesday, March 31st with judge check-in opening at 8:00am followed by judge orientation at 8:15am. Open judging is from 9:00am to 2:00pm.
Registration Deadlines
Opens on
Closes on
Final Revisions Close*
Status
Registration Deadlines
Teacher Registration
Oct 1, 2025 (Wednesday)
Mar 16, 2026 (Monday)
n/a
Closed
Teacher Registration (Closed)
Open: Oct 1, 2025 (Wednesday)
Close: Mar 16, 2026 (Monday)
Close: Mar 16, 2026 (Monday)
Pre-Approval Paperwork
Oct 1, 2025 (Wednesday)
Feb 24, 2026 (Tuesday)
Mar 5, 2026 (Thursday)
Closed
Pre-Approval Paperwork (Closed)
Open: Oct 1, 2025 (Wednesday)
Close: Feb 24, 2026 (Tuesday)
*Revisions: Mar 5, 2026 (Thursday)
Close: Feb 24, 2026 (Tuesday)
*Revisions: Mar 5, 2026 (Thursday)
Project Registration
Oct 1, 2025 (Wednesday)
Mar 16, 2026 (Monday)
n/a
Closed
Project Registration (Closed)
Open: Oct 1, 2025 (Wednesday)
Close: Mar 16, 2026 (Monday)
Close: Mar 16, 2026 (Monday)
Final ISEF Forms
Feb 25, 2026 (Wednesday)
Mar 19, 2026 (Thursday)
Mar 27, 2026 (Friday)
Open
Final ISEF Forms (Open)
Open: Feb 25, 2026 (Wednesday)
Close: Mar 19, 2026 (Thursday)
*Revisions: Mar 27, 2026 (Friday)
Close: Mar 19, 2026 (Thursday)
*Revisions: Mar 27, 2026 (Friday)
Judge Registration
Nov 26, 2024 (Tuesday)
Mar 25, 2026 (Wednesday)
n/a
Open
Judge Registration (Open)
Open: Nov 26, 2024 (Tuesday)
Close: Mar 25, 2026 (Wednesday)
Close: Mar 25, 2026 (Wednesday)
Volunteer Registration
Nov 26, 2024 (Tuesday)
Mar 25, 2026 (Wednesday)
n/a
Open
Volunteer Registration (Open)
Open: Nov 26, 2024 (Tuesday)
Close: Mar 25, 2026 (Wednesday)
Close: Mar 25, 2026 (Wednesday)
*final revision indicates the last date when you can re-upload your forms/paperwork when requested by our staff.
Divisions and Categories
The 71st Annual Eastern South Dakota Science & Engineering Fair is open to all students in grades 6 through 12. Students will be participating in 2 divisions:
Junior Division (grades 6 - 8)
Senior Division (grades 9 - 12)
Each division is separated into 11 categories:Senior Division (grades 9 - 12)
Animal Sciences (AS)
Behavioral and Social Sciences (BE)
Chemistry & Biochem (CB)
Computer Sci/Engineering/Math (CEM)
Earth/Planetary Science/Weather/Environmental Sci (EA)
Energy & Transportation (ET)
Food Science (FS)
Medicine & Health Sciences (ME)
Microbiology/Cellular & Molecular Biology (MI)
Physics & Astronomy (PA)
Plant Sciences (PS)
Behavioral and Social Sciences (BE)
Chemistry & Biochem (CB)
Computer Sci/Engineering/Math (CEM)
Earth/Planetary Science/Weather/Environmental Sci (EA)
Energy & Transportation (ET)
Food Science (FS)
Medicine & Health Sciences (ME)
Microbiology/Cellular & Molecular Biology (MI)
Physics & Astronomy (PA)
Plant Sciences (PS)
