For legal and ethical aspects, search the Lexis/Nexis legal content. If you get stuck a consultation with a librarian from the Legal Research Center can be helpful. For legislative overviews, CQ Researcher has a few great short summaries with chronologies, pro/con and bibliographies.
Associations:
Professional and trade associations offer unique insider perspectives on the world of their membership with industry reports and member surveys you will not find elsewhere. Here are a few for international education worth considering:
Still can't find your special statistic or fact? Other associations can be found in the Library database Encyclopedia of Associations.
For scholarly articles, see the following databases.
Routledge international handbook of higher education (2009)
The international handbook of school effectiveness research (2000)