二楼从东边数第二个教室用英语怎么说

the second classroom from the east end on the second floor

一楼错误，on the ... floor, 没有in the ...floor这样的说法

The second classroom from the east on the second floor

the second classroom is on the second floor Counting from the east side

end在这里是什么意思呢？
我觉得
The 2nd classroom from the east on the second floor
就可以了。