Santaro High, a local high school, reserves 20 percent of its seats for students belonging to minority groups. The parents of some white students believe that the adoption of this policy is unfair. In this scenario, it is evident that the high school has adopted a .

Quota system

Explanation:

Santaro High has established a quota system because it has determined that a specific percentage of its student population must belong to a specific demographic group (racial or ethnic minorities), even if the demographic profile of the area where it is located does not correspond with the quota.

For example, the neighborhood where Santaro High is located could be 95% white, but because of the quota system it has adopted, the amount of white studends will be 80% at maximum.