Question: what is the difference between junior and senior high school?
Answer: In the US, junior high school can mean 7th grade to 9th grade, 6th grade to 8th grade, or 7th to 8th grade,; while senior high school can be 9th grade to 12th grade or 10th grade to 12th grade. ... Junior highs or middle schools are a transition between elementary school and high school.