YOU SAID:
I am very tired. I am currently at school
INTO JAPANESE
私はとても疲れている。私は現在学校にいます
BACK INTO ENGLISH
I am very tired. I am currently in school
INTO JAPANESE
私はとても疲れている。私は現在学校に通っています
BACK INTO ENGLISH
I am very tired. I am currently in school
That didn't even make that much sense in English.