Eva Easton's Latin Online
A large collection of information on grammar, vocabulary, spoken Latin, pronunciation, music, and much more!

Mark Keith's Chancellor High School Latin Program
A great source of information concerning contests, scholarships, foreign travel, and other "things classical"!

William Carey's Latin Library at Ad Fontes Academy
A private collection of Latin texts. Lots to choose from - Ammianus to Vitruvius, and Ius Romanum, Miscellany, Christian writing, Medieval, and Neo-Latin.