My mom is a elementary school teacher but I dont know a lot about what she does.
 An elementary school is the main point of delivery of primary education in the United States, for children between the ages of 4–11, didn't you go to one? 
I did but It has changed a lot now im sure.
yeah that is true, In 2001, there were 92,858 elementary schools.
That is a lot but i guess that is because of the population here in America.
Yeah elementary school is usually for students between kindergarten and fifth grade.
I think when I went its was kindergarten to fourth grade
Wow I never knew it was ever that short, I went through sixth grade. in the fall of 2009 almost 3.5 million students attended elementary schools.  
I hope they keep the grades seperated. its only a matter or time before they try to make everyone go to school together I feel.
. It is usually from kindergarten through fifth grade.
Curriculum.
Primary education tends to focus on basic academic learning and socialization skills, introducing children to the broad range of knowledge, skill and behavioral adjustment they need to succeed in life – and, particularly, in secondary school.
In general, a student learns basic arithmetic and sometimes rudimentary algebra in mathematics, English proficiency (such as basic grammar, spelling, and vocabulary), and fundamentals of other subjects. Learning standards are identified for all areas of
Elementary school (United States)
An elementary school is the main point of delivery of primary education in the United States, for children between the ages of 4–11 and coming between pre-kindergarten and secondary education.
In 2001, there were 92,858 elementary schools (68,173 public, 24,685 private) in the United States, a figure which includes all schools that teach students from grade one through grade eight. According to the National Center for Education Statistics, in the fall of 2017 almost 35.6 million students attended public primary schools