McIntosh is a native of Pickering, Ontario. He attended the Christian Faith Center Academy in Creedmoor, North Carolina. For his senior season he transferred to Breathitt County High School while playing basketball at 22 Feet Academy. McIntosh averaged 17.6 points, 6.0 rebounds and 4.2 assists per game, shooting 46 percent from the floor for 22 ft Academy.[1] McIntosh received recruiting attention from UCLA, Miami, and Kentucky but committed to Illinois State.[2]
College career
McIntosh was ruled a non-qualifier by the NCAA and had to redshirt his freshman year at Illinois State.[2] As a sophomore, McIntosh averaged 10.9 points and 4.8 rebounds and was named MVC Most Improved Player. On January 16, 2017 McIntosh was named Missouri Valley Conference Player of the Week after contributing 20 points, five rebounds and four assists in a win against Wichita State.[3] As a junior, McIntosh averaged 12.5 points and 5.6 rebounds per game on a team that won a school-record 28 games and the MVC regular season title.[4] He was named to the Second Team All-Missouri Valley Conference. After the season, McIntosh took advantage of the NCAA graduate transfer rule to move to another program without sitting out a season. He chose Oregon after considering an offer from Oklahoma.[5] In his senior season at Oregon, McIntosh posted 11.8 points and 6.1 rebounds per game.[6]