The Vice President. The V.P.'s Job: The only duty the U.S. Constitution assigns the Vice President is to act as presiding officer of the Senate. But the Vice President also serves as ceremonial assistant to the President and is an important part of the President's administration.
The ages of middle school students are: 6th grade: 11 - 12 years old 7th grade: 12 - 13 years old 8th grade: 13 - 14 years old.
Middle School (more common) = 6th, 7th and 8th grade (11 years to 14 years old) Junior High (not as common anymore) = 7th and 8th grade (12 years to 14 years old) High School = 9th, 10th, 11th, and 12th grades (14 years to 18 years old) The setup really depends on the school district and what they have for buildings.