The 35th Annual Sample Registration System will take place February 15th & 16th, 2024
Main Hall of Convention Center
100 N 3rd St
Phoenix, AZ 85004
Google map
100 N 3rd St
Phoenix, AZ 85004
Google map
*Parking for participants is available at Jefferson Street Garage, 333 E Jefferson St, Phoenix, AZ 85004
*School buses can unload students by the main entrance of the convention center
Schedule of Events
*Final schedule will released March 20thMonday, March 22nd, 2021
Tuesday, March 23rd, 2021
Judge Schedule of Events
Judging day will take place on Monday, March 23rd with judge check-in opening at 8:00am followed by judge orientation at 9:00am. Open judging is from 10:00am to 5:00pm. Breakfast and lunch will be provided.
Registration Deadlines
Opens on
Closes on
Final Revisions Close*
Status
Registration Deadlines
Teacher Registration
May 1, 2020 (Friday)
Feb 2, 2025 (Sunday)
n/a
Open
Teacher Registration (Open)
Open: May 1, 2020 (Friday)
Close: Feb 2, 2025 (Sunday)
Close: Feb 2, 2025 (Sunday)
Pre-Approval Paperwork
May 1, 2020 (Friday)
Dec 5, 2024 (Thursday)
Feb 15, 2025 (Saturday)
Open
Pre-Approval Paperwork (Open)
Open: May 1, 2020 (Friday)
Close: Dec 5, 2024 (Thursday)
*Revisions: Feb 15, 2025 (Saturday)
Close: Dec 5, 2024 (Thursday)
*Revisions: Feb 15, 2025 (Saturday)
Final ISEF Forms & Media Releases
Apr 5, 2020 (Sunday)
Mar 3, 2025 (Monday)
Mar 16, 2025 (Sunday)
Open
Final ISEF Forms & Media Releases (Open)
Open: Apr 5, 2020 (Sunday)
Close: Mar 3, 2025 (Monday)
*Revisions: Mar 16, 2025 (Sunday)
Close: Mar 3, 2025 (Monday)
*Revisions: Mar 16, 2025 (Sunday)
Virtual Entry
Apr 5, 2020 (Sunday)
Mar 3, 2025 (Monday)
Mar 16, 2025 (Sunday)
Open
Virtual Entry (Open)
Open: Apr 5, 2020 (Sunday)
Close: Mar 3, 2025 (Monday)
*Revisions: Mar 16, 2025 (Sunday)
Close: Mar 3, 2025 (Monday)
*Revisions: Mar 16, 2025 (Sunday)
Judge Registration
Apr 1, 2020 (Wednesday)
Mar 16, 2025 (Sunday)
n/a
Open
Judge Registration (Open)
Open: Apr 1, 2020 (Wednesday)
Close: Mar 16, 2025 (Sunday)
Close: Mar 16, 2025 (Sunday)
Volunteer Registration
Apr 1, 2020 (Wednesday)
Mar 23, 2025 (Sunday)
n/a
Open
Volunteer Registration (Open)
Open: Apr 1, 2020 (Wednesday)
Close: Mar 23, 2025 (Sunday)
Close: Mar 23, 2025 (Sunday)
*final revision indicates the last date when you can re-upload your forms/paperwork when requested by our staff.
Divisions and Categories
The 35th Annual Sample Registration System is open to all students in grades 5 through 12. Students will be participating in 3 divisions:
Elementary Division (grades 5 & 6)
Junior Division (grades 7 & 8)
Senior Division (grades 9 - 12)
Each division is separated into 17 categories:Junior Division (grades 7 & 8)
Senior Division (grades 9 - 12)
Animal Sciences (AS)
Behavioral and Social Sciences (BE)
Biochemistry (BI)
Cellular and Molecular Biology (CB)
Chemistry (CH)
Computer Science (CS)
Earth and Planetary Science (EA)
Energy and Transportation (ET)
Engineering: Electrical and Mechanical (EE)
Engineering: Materials and Bioengineering (EN)
Environmental Management (EM)
Environmental Sciences (EV)
Mathematical Sciences (MA)
Medicine and Health Sciences (ME)
Microbiology (MI)
Physics and Astronomy (PH)
Plant Sciences (PS)
Behavioral and Social Sciences (BE)
Biochemistry (BI)
Cellular and Molecular Biology (CB)
Chemistry (CH)
Computer Science (CS)
Earth and Planetary Science (EA)
Energy and Transportation (ET)
Engineering: Electrical and Mechanical (EE)
Engineering: Materials and Bioengineering (EN)
Environmental Management (EM)
Environmental Sciences (EV)
Mathematical Sciences (MA)
Medicine and Health Sciences (ME)
Microbiology (MI)
Physics and Astronomy (PH)
Plant Sciences (PS)