Age segregation is separation of people based on their age and may be observed in many aspects of the modern society.^[1] Examples of institutionalized age segregation include age segregation in schools and age-segregated housing.

There are studies of informal age segregation among adolescents.^[2][3]

Age segregation in schools, age grading, or graded education is the separation of students into years of education (grades, forms) by approximately the same age.

In the United States, graded education was introduced during 1848 to 1870.^[4]

Age grading in schools has significant impact on age segregation among adolescent peer groups.^[5]

References

es:Segregaci n por edad