YOU SAID:

Hello, I am currently in school in 3rd period.

INTO JAPANESE

こんにちは、私は現在3時間目に在学しています。

BACK INTO ENGLISH

Hello, I am currently in the 3rd period of school.

INTO JAPANESE

こんにちは、私は現在３時間目に通っています。

BACK INTO ENGLISH

Hi, I'm currently on my 3rd class.

INTO JAPANESE

こんにちは、私は現在3年生です。

BACK INTO ENGLISH

Hello, I am currently in 3rd grade.

INTO JAPANESE

こんにちは、現在3年生です。

BACK INTO ENGLISH

Hello, I am currently in the 3rd year.

INTO JAPANESE

こんにちは、現在3年生です。

BACK INTO ENGLISH

Hello, I am currently in the 3rd year.