The nouns in the sentence are teacher and class. The words "fourth grade class" can be considered a compound noun, or the compound word "fourth grade" can be considered a noun adjunct, where grade is also a noun.
"Grade" is one word.
biology, freshman
you don't you're in fourth grade
No. it's not necessary. It should be --- He is a fourth grade student.
Since i was in 5th and fourth grade fourth grade may be hard but from my experience fith grade is alot harder than fourth grade trust me . well see ya
4th Grade.
a quick pop kiss
He is in fourth grade
"Tales of a Fourth Grade Nothing" by Judy Blume contains 120 pages.
Judy Blume wrote the novel "Tales of a Fourth Grade Nothing".
become his friend, your too young to date in the fourth grade.