"Classroom" is typically one word when referring to a physical space where classes are held.
"After school" is typically written as two words.
The term "in touch" is considered to be two words.
"Pogostick" is typically written as one word.
"Good day" is generally considered to be two words.
There are two prepositional phrases in the sentence: "through the hallway" and "to his classroom."
"Classroom" is typically written as one word.
Magic Markers
Classroom has two syllables.
It is two words. Writing it as one is acceptable in the UK and is referred to as a "Britishism." But in American grammar, it is always two separate words.
Two words - "one day".
They are two words conjoined to be one.
I recommend class work, as two words.
It is two words.
Two words.
It is two separate words.
It's two words. :)
The words in there are just where you enter the cheat codes.