Drama schools are undergraduate or graduate schools or a free-standing institution, which specializes in the pre-professional to polish your skillset and become a better, well-rounded actor. Please find out about Acting Schools Australia.
The types of classes are acting technique, audition technique, scene study, sight-reading, improvisation, commercial, voice/vocal, body and movement, classical acting, and voice-over classes. The benefits of attending a school are improving public speaking skills, improving confidence, increasing memorization, improving professionalism, relieving stress and tension, and helps to understand that it is ok to be vulnerable. Tips on finding the right school are identifying your needs, find a teacher who you can trust, find a class that will help build connections.
To conclude, talk to a drama instructor and find out if going to a drama school would work for you. The potential benefits could be quite amazing.