American Opportunity credit for dependents attending out of country university

IRS Publication 970 / page 13: 

Eligible educational institution. An eligible educational institution is generally any accredited public, nonprofit, or proprietary (privately owned profit-making) college, uni-versity, vocational school, or other postsecondary educational institution. Also, the institution must be eligible to participate in a student aid program administered by the U.S. Department of Education. Virtually all accredited postsecondary institutions meet this definition.  An eligible educational institution also includes certain educational institutions located outside the United States that are eligible to participate in a student aid program administered by the U.S. Department of Education.

you would have to check with the school to see if they are eligible to participate in the US program.