This is the 8796th most frequent Japanese word.
東中
"東中" translates to "East Middle" or "East Junior High," often used as part of a school name.
Here, 東中 ('Higashi Junior High') is used as a proper noun referring to a specific school's name.
東中学校は市内で人気のある中学校です。
Higashi Junior High School is a popular school in the city.
In this sentence, 東中 is used to identify the speaker's former school as part of their background.
私は東中卒業生です。
I am a graduate of Higashi Junior High.
Here, 東中 is used to indicate the location where the new friend pursues their education.