中譯英,plx help

我在2004年ABC中學修畢中四,現在於DEF中學修讀中五夜校課程
I'd finished my middle 4th grade at ABC Middle school in 2004. I am now continueing the 5th grade at DEF Evening Middle school.

I am in 2004 ABC high school take finish four, study in five night school curriculums in the DEF high school now
我在2004年ABC中學修畢中四,現在於DEF中學修讀中五夜校課程

I finished my f.4 education and graduated from ABC middle/secondary school in 2004. Recently, I am studying f.5 curriculum at DEF evning school.

or you can say "Recently, I am receiving my f.5 education from DEF evening school."

hope it would help ^^