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

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.

Basketball court dimensions vary by age level: Youth ​​: ​ 74 feet long by 42 feet wide High school basketball court ​​: ​ 84 feet long by 5o feet wide

NCAA / College: Usually the same as NBA, but some older courts may be 84' long High School: 84' long x 50' wide Junior High School: 74' long x 42' wide The dimensions are measured inside the court lines formed by the endlines / baselines and sidelines.