Answer:
The answer is - The five different high schools
Explanation:
Units of Analysis can be described as the major entity that frames what is used in analyzing your study which can include individuals, group, organisations or policies. In this scenario the unit of analysis is the five different high schools because the researcher is comparing the percentage of children who feel bullied on a daily basis between five different high schools. He is comparing the data he has gotten between the five different schools therefore his unit of analysis is the five different schools.