Final answer:
In high school, the credit hour ranges for each classification are Freshman: 0-6 credits, Sophomore: 12-24 credits, Junior: 30-48 credits, Senior: 54-72 credits.
Step-by-step explanation:
In high school, the range of credit hours required to be considered a:
a. Freshman: Typically, freshmen are required to earn around 0-6 credits depending on the school and the specific program they are enrolled in.
b. Sophomore: Sophomores usually need to earn around 12-24 credits.
c. Junior: Junior students generally aim to earn around 30-48 credits.
d. Senior: Seniors typically need to earn around 54-72 credits.
It's important to note that credit hour requirements can vary between schools and programs, so it's always best to consult with your school or academic advisor for the specific requirements.