In basketball, the overtime length is usually equal to half the time of a standard quarter. In high school varsity basketball this is four minutes.
You can play high school basketball as long as you are in high school, which is an average of 4 years.
In college basketball a half takes 20 minutes on the clock. In high school and in the NBA a half is 24 minutes on the clock made up of two 12 minute periods.
In high school basketball, how many time-outs can each team call?
College basketball is played in halves, with 20 minutes per half. Only high school and NBA play quarters.
18 minute halves