Here is the list of Apprentices and their Mentors. The picture above is where the Mentors sometimes train their Apprentice. It's called the "Training Hallow".

~ Phantompaw (Hyper_Rabbit ) & Owlfur (_SkywaySilver_ )

Progress/accomplished:

~Waterpaw (_SkywaySilver_ ) & Silvermoon (Warriors987 )

Progress/accomplished:

~Firepaw (Dragoncat16 ) & Oliveleaf (LunarSparks )

Progress/accomplished: