Although most of my friends go to public school, my friend Sara is home-schooled.

Which of these identifies the entire subordinate clause in this sentence?

my friend Sara is home-schooled

Although most of my friends

Although most of my friends go to public school

Sara is home-schooled

The subordinate clause of the sentence ‘Although most of my friends go to public school, my friend Sara is home-schooled.’ is ‘Although most of my friends go to public school’. This clause will make you question so what if your friends go to school? Subordinate clause cannot stand on its own.