<P> Used only in conference play for several years , it was adopted by the NCAA in April 1986 for the 1986 -- 87 season at 19 ft 9 in ( 6.02 m ) and was first used in the NCAA Tournament in March 1987 . The three - pointer was adopted in women 's basketball on an experimental basis for that season at the same distance , and made its use mandatory beginning in 1987 -- 88 . In 2007 , the NCAA lengthened the men 's distance by a foot to 20 ft 9 in ( 6.32 m ) , effective with the 2008 -- 09 season , and the women 's line was moved to match the men 's in 2011 -- 12 . American high schools , along with elementary and middle schools , adopted a 19 ft 9 in ( 6.02 m ) line nationally in 1987 , a year after the NCAA . The NCAA used the FIBA three - point line ( see below ) in the National Invitation Tournament ( NIT ) in 2018 . </P>
<P> Used only in conference play for several years , it was adopted by the NCAA in April 1986 for the 1986 -- 87 season at 19 ft 9 in ( 6.02 m ) and was first used in the NCAA Tournament in March 1987 . The three - pointer was adopted in women 's basketball on an experimental basis for that season at the same distance , and made its use mandatory beginning in 1987 -- 88 . In 2007 , the NCAA lengthened the men 's distance by a foot to 20 ft 9 in ( 6.32 m ) , effective with the 2008 -- 09 season , and the women 's line was moved to match the men 's in 2011 -- 12 . American high schools , along with elementary and middle schools , adopted a 19 ft 9 in ( 6.02 m ) line nationally in 1987 , a year after the NCAA . The NCAA used the FIBA three - point line ( see below ) in the National Invitation Tournament ( NIT ) in 2018 . </P>
when did three point line start in high school
when did three point line start in high school
1987
1987