What is 9th grade called?

What is 9th grade called?
In the United States, ninth grade is usually the first year in high school (called "upper secondary school" in other countries). In this system, ninth graders are also often referred to as freshmen. It can also be the last year of junior high school. The typical age for U.S. 9th grade students is 14 to 15 years.

Reference:
Ninth grade - Wikipedia
Aug 2, 2019

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