School President is a common position in Student Governments in any schools, such as elementary school

Elementary school

An elementary school or primary school is an institution where children receive the first stage of compulsory education known as elementary or primary education. Elementary school is the preferred term in some countries, particularly those in North America, where the terms grade school and grammar...

s, middle school

Middle school

Middle School and Junior High School are levels of schooling between elementary and high schools. Most school systems use one term or the other, not both. The terms are not interchangeable...

s, high school

High school

High school is a term used in parts of the English speaking world to describe institutions which provide all or part of secondary education. The term is often incorporated into the name of such institutions....

s colleges, etc. Having school presidents is a systematic way in which leaders in the school receive ideas from fellow students and make decisions, often for the purpose of improving the school systems. Often they are elected by peers. Normally, the position is held for one school year, and normally only the highest grade of students is eligible to run.