For his junior season, he transferred to Walnut Hills High School in Cincinnati, where he averaged 22.4 points per game in his first year.

[1] On January 19, 2015, as a senior, Teague scored a school-record 51 points in a 96–48 win over Piqua High School at the Flyin' to the Hoop Invitational.

He was named Eastern Cincinnati Conference and District 16 Player of the Year, while earning Second Team All-State honors.

[9] As a sophomore, Teague averaged 16.7 points, 4.4 rebounds, 2.5 assists and 1.6 steals per game, leading the Big South by shooting 42.5 percent from three-point range.

[10] On April 30, 2018, Teague announced that he would continue his college career with Baylor over offers from Louisville, Virginia and Xavier.

[11] He sat out the following season due to National Collegiate Athletic Association transfer rules and was a member of the team's practice squad.

[12] On February 8, 2020, Teague scored a junior season-high 24 points, including six straight free throws in the final 14 seconds, in a 78–70 win over Oklahoma State.