High School basketball half-court dimension is 50’ baseline by 42’ sideline.

High School Basketball Court Dimensions A high school basketball court will be 84 feet in length by 50 wide, with the half court line at 42 feet, directly in the center of the court. The free throw line is 19 feet from the edge of the court and 15 feet from the front of the backboard. The 3 point shooting line is 19’9″ from the center of the hoop.

For high school courts, half-court dimensions are 42 feet in length while the one for professionals is 47 feet in length. For the youths, it is 42 ft. in length and 37 ft. in width. Half courts in high schools are much larger at 50 ft. in length and 42 ft. in width.