Latin Review

not AP-specific, but good nonetheless

This practice is just general latin review at various levels for the National Latin Exam, but could help you refresh your memory on grammar bits:

Same is true for the SAT Latin subject test - it's not the same literature as the AP exam , but it has free practice with the grammar:

Also, for declension-specific practice, you can help yourself remember the endings for nouns - gender - number - case at: