Final answer:
A jail is an example of a total institution, where individuals are isolated and live an enclosed, formally administered life, distinct from high schools, political parties, and gyms.
Step-by-step explanation:
The concept of a total institution refers to a place where individuals are isolated from the wider society and lead an enclosed, formally administered life. Among the options provided, a jail is an example of a total institution. It is a place where inmates live in confinement, have strict schedules, and cannot leave at will, thus adhering to the characteristics of a total institution as defined by sociologist Erving Goffman. High schools, political parties, and gyms do not isolate individuals from the wider society to the same extent and, therefore, are not considered total institutions.