English would be a start.
The question is very vague. You don't need to take "special" classes. However, you do need at the minimum a High School Diploma. At one time a GED was sufficient. Some of the services do not accept the GED anymore.
he went to military school
Yes!
Go to military school
Yes, the military can pay for your school. You will have to join the military and you will go to a military college but you will get a degree!
Yes, I would look at Valley Forge Military school. They will give you the resources you need to later go back to school.
no
To receive military training you must go to an military school or some academy for military. Or even a boot camp can help you learn about military training.
He went to school at United States Military Academy. He started a Soldier then he became a military leader.
Military school/college, yes.
they go to school and train for the military service
On average, 7% of high school graduates go to the military these days, others just enter the work force or go to college.
At the age of 12 Mr. Churchill was sent to a boarding school Harrow. At the age of 14 his father wanted him to go to Sandhurst Royal Military School.