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New Requirements
All participating students, in all divisions, are now required to submit their ISEF forms for pre-approval before experimentation can begin.
See step 3 on our How to Register & Participate page for details.

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

*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 20th

Monday, March 22nd, 2021

8:00am - 9:00am

Judge check-in & breakfast

8:00am - 10:00am

Student check-in, set-up and safety checks

9:00am - 10:00am

Judge orientation & breakfast

10:00am - 12:00pm

Open judging, all divisions

12:00pm - 1:00pm

Lunch, judges and students

1:00pm - 5:00pm

Open judging, all divisions

5:00pm

Student dismissal, all divisions

Tuesday, March 23rd, 2021

10:00am - 3:00pm

Public viewing, students should be present by their projects

3:00pm - 5:00pm

Awards ceremony for all divisions

5:00pm - 7:00pm

Project tear-down

7:00pm

Any projects remaining will be disposed of by city of Phoenix

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.

How to Register & Participate

Teachers & Students/Projects

Student/Project

Account Log-In

Judges & Volunteers

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)

Pre-Approval Paperwork

May 1, 2020 (Friday)

Dec 5, 2024 (Thursday)

Feb 15, 2025 (Saturday)

Revisions Only

Pre-Approval Paperwork (Revisions Only)

Open: May 1, 2020 (Friday)
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)

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)

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)

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)

*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:

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)