Any student currently enrolled in High School in the United States is eligible for the USA team.   For full statutes of the IESO regarding eligibility, please visit the IESO site.

"Participants should not have been born before July 1, X-19, where X is the year of the Olympiad.

The participants must not be university/college students. They can only be students of
secondary/high school. If they have already graduated before the competition, the organizer
must be informed about the date of their graduation. A student who has already participated in
an IESO and who wants to participate in a subsequent IESO may do so only as a guest student
and not as a member of a national team. This means that the student will not be eligible for any
medals at the second or subsequent IESO."  Taken from the IESO Statutes.

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Thus for the 2017 program, students must have been born prior to July 1, 1998.

The United States team will be selected only from those students who attend the team training and assessment camp held each year.  Students may attend the training program more than one year to qualify for the team.

Each year the team is made of the top four qualifying students from the summer camp.  Some years up to four additional alternate students may travel with the team and participate in the international event.  If a student attends as an alternate, they can not qualify for medals in that year or future IESO events.  Alternate students will have to fund their trip.

Students families will be expected to pay for the training camp.  Financial assistance  information is available upon request.

The students who attend the traing camp and the IESO will be expected to behave as if they were attending a school trip.  Prior to attending any IESO Team USA event a behavior and conduct contract must be signed by the students and their parents.