American Science Olympiad 2026 Test Dates & Timings

Wondering when is the American Science Olympiad 2026? The 2026 ASO competition will take place from November 27 to November 29, 2026. Students will participate according to their grade-specific test schedule.

All timings below are listed in Central Standard Time (CST).

Grade	Date	Day	Test Time
Grade 1	November 27, 2026	Friday	5:00 PM CST
Grade 2	November 28, 2026	Saturday	1:30 PM CST
Grade 3	November 29, 2026	Sunday	1:30 PM CST
Grade 4	November 28, 2026	Saturday	3:30 PM CST
Grade 5	November 29, 2026	Sunday	3:30 PM CST
Grade 6	November 29, 2026	Sunday	11:30 AM CST
Grade 7	November 28, 2026	Saturday	11:30 AM CST
Grade 8	November 27, 2026	Friday	6:30 PM CST

Mark Your Calendar for ASO 2026

If your child is participating in the American Science Olympiad, make sure you save the date and review the schedule well in advance.

Because each grade has a specific test date and time, parents should check their child's grade carefully when planning for the competition.

Before Test Day

Students should:

• Review important science concepts.

• Complete ASO practice questions.

• Take timed practice tests.

• Review mistakes from previous practice.

• Get familiar with different types of science questions.

• Prepare any required equipment or technology in advance.

• Check the competition instructions provided by ASO.

• Be ready before the scheduled test time.

A Note About Time Zones

The ASO 2026 schedule above is provided in CST (Central Standard Time).

If you are located in another U.S. time zone, make sure you convert the scheduled time correctly so your child does not miss the competition.

Parents should also refer to the official American Science Olympiad communication and instructions for any updates before test day.

Register Now: https://www.americanscienceolympiad.com/