Grade 8
Grade 8 may refer to:

Education
Eighth grade, the eighth year of education in some countries
Grade 8, the highest level of ABRSM#Graded music examsit is the first year of high school and first year of teenage.

Science
"Grade 8", a song by Ed Sheeran from his debut album, +
Grade 8 (band), a former nu metal band from Los Angeles
Grade 8 (album), the band's self-titled album