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Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.

Paragraph: 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 1987 . In the same 1986 -- 87 season , the NCAA adopted the three - pointer in women 's basketball on an experimental basis , using 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 .
Question: when did the three point shot start in high school

Output:
1987