Most drama schools will accept students from eighteen years old. They don't tend to have an upper age limit - but you will have to be able to cope with the workload.
Geogria Groome doesn't attend drama school.
Robert Pattinson didn't attend drama school.
yes.
David Tennant went to drama school after he left secondary school, and gained a BA in Drama at the Royal Scottish Academy of Music and Drama.
You can be from 3 months +. Really any age you just have to get yourself in there. Go to a drama/acting school and you will go to movie star land like that.
Yes, most drama schools have students of all ages.
London School of Drama
D&B Theatre School in Bromley.
Coventry High School in Akron, Ohio
yes
7 years old to go to school there
George Washington High School and studied dance and drama on a scholarship at the California Labor School