The following are some links to sites that may be useful for students of Classics and Modern Greece.
Archaeological Institute of America
Classical Association of the Middle West and South
The American School of Classical Studies at Athens
Eta Sigma Phi National Homepage
Natalie Haynes Stands Up For Classics
The American Society of Greek and Latin Epigraphy
Diotima, information on women and gender in antiquity
Modern Greek Studies Association
International Hellenic University
Orbis Model of the Roman World