After being traded to Oklahoma City in the summer of 2018, Schroder began the 2018-19 season set to take on a new role with a new team. He spent most of the campaign as the sixth man for the Thunder, playing 79 games in total and starting on 14 occasions. Although Schroder had been a starter in Atlanta the prior season, he made the most of playing behind and alongside Russell Westbrook. He found a way to fit in seamlessly, putting up 15.5 points, 4.1 assists and 3.6 rebounds per game. Schroder topped 20 points 21 times during the season, including two games in which he topped 30. He dropped a season-high 32 points twice during the season, once in November and again in the final game of the regular season. He also displayed his skills as a passer, tallying double-digit assists twice during the season. Despite playing less minutes compared to the 2017-18 campaign, Schroder managed to increase his rebounding numbers and show that he can impact the game in multiple ways. In the 2019 playoffs, Schroder played an average of 30.1 minutes per game. Although Oklahoma City was eliminated in the first round, Schroder averaged 13.8 points, 3.4 assists and 3.2 rebounds in the five-game series.

Schroder continued to stake his claim as one of the league's top scoring point guards in his second full season as a starter during the 2017-18 campaign. Though his season ended early after he suffered a left ankle sprain in late March, Schroder played in 67 games and logged 31.0 minutes per contest. He set a career high by averaging 19.4 points per game, ranking fifth in the league among point guards. Schroder's scoring output was accompanied by the second-best shooting percentages of his career from the field (43.6 FG%) and at the free throw line (84.9%). The former first-round pick also posted per-game averages of 6.2 assists and 3.1 rebounds while maintaining the best assist-to-turnover ratio of his career (2.3). In addition, the 6'1" guard established his career-high in steals, averaging 1.1 thefts per game. Schroder notched five double-doubles during the campaign, including a 13-point performance against the Pelicans on Jan. 17 in which he tied his career-high with 15 assists. He surpassed the 40-point mark for the first time in a win over Utah on March 20, racking up 41 points on 16-of-28 shooting from the field. In another outstanding performance, Schroder poured in 33 points and drilled four three-pointers to lead Atlanta to a 112-107 victory over Dallas on Dec. 23. He was particularly effective on his home court, averaging 20.0 points and 6.6 assists while posting a 46.0 FG% in 36 games.

Schroder signed a four-year extension with the Hawks before the season. The German was named starter after Jeff Teague was traded to the Pacers. He appeared in 79 games, starting all but one. The guard averaged 17.9 points and 3.1 rebounds to go with a career-high 6.3 assists in 31.5 minutes of run. He also improved to 45.1 percent on field goals and 34.0 percent on three-pointers. Schroder's best performance came Dec. 19, when he posted a season-high 33 points (10-of-16 FG), five rebounds and eight assists in 39 minutes in a road win over the Thunder. 14 of the 33 points came in the fourth quarter. On Jan. 29, he dished 15 assists in 54 minutes during a 4OT win against the Knicks -- both of which were career highs. The Hawks advanced to the playoffs with a 43-39 record but lost to Wizards in six games in Round 1. The 6-foot-1, 172-pounder had a great Game 5, registering 29 points, hitting 5-of-6 three-pointers and contributing 11 assists. All told, Schroder averaged 24.7 points, 2.3 rebounds, 7.7 assists and 42.5 percent from three-point range over 35.2 minutes during six postseason appearances.

Schroder again served as Jeff Teague's primary backup during the 2015-16 NBA season. The German played 80 games and started six for the Hawks. He averaged 11.0 points, 2.6 rebounds and 4.4 assists over 20.3 minutes. The point guard also shot 42.1 percent from the field and 32.2 percent from downtown. His best performance came Feb. 20, when he posted 25 points (10-of-19 FG), eight rebounds and 10 assists in 40:24 off the bench against the Bucks. Schroder notched two double-doubles and dished 10-plus assists three times. The guard logged 15-plus points 21 times during the season. The Hawks finished with a 48-34 record and the Eastern Conference's fourth seed. They beat the Celtics in Round 1 before getting swept by Cleveland in Round 2. The German's best postseason appearance came in Game 1 against the Cavs (27 points and six assists in 28 minutes). Schroder averaged 11.7 points, 1.9 rebounds and 3.6 assists over 19.1 minutes during the playoffs.

Schroder played 77 games behind Jeff Teague as the Hawks' backup point guard in his sophomore season, starting 10 of them. The German averaged 10.0 points, 2.1 rebounds and 4.1 assists in 19.7 minutes. He shot 42.7 percent from the field and a career-high 35.1 percent from three-point range. On Nov. 8, Schroder registered a career-best five steals in a win over the Knicks. He was also named to the Rising Stars Challenge at the 2015 All-Star Weekend, posting a game-high nine assists to go with 13 points for Team World. His best performance of the campaign came March 15, when he recorded 24 points, three rebounds and 10 assists in 37 minutes as a starter in a win over the Lakers. Schroder notched five double-doubles during the season. The Hawks finished as the Eastern Conference's top seed thanks to a 60-22 record. They defeated the Nets (4-2) and the Wizards (4-2) before falling to the Cavaliers (0-4) in Round 3. Schroder played all 16 postseason games and averaged 9.0 points, 1.8 rebounds and 3.9 assists over 18.1 minutes of run.

Schroder was selected by the Hawks with the 17th overall pick in the 2013 NBA Draft. He worked as Jeff Teague's primary backup early in the season but later split time with Shelvin Mack. The German played 49 games, all off the bench, and he was also assigned to the Bakersfield Jam of the D-League. Schroder averaged 3.7 points, 1.2 rebounds and 1.9 assists over 13.1 minutes with Atlanta. His debut came Oct. 30, when he recorded five points, four rebounds and five assists over 18 minutes against the Mavericks. The guard's best performance featured 10 points, three rebounds and four assists against the Lakers on Nov. 3. Two days later, Schroder dished seven assists to go with six points and no turnovers, against Sacramento. During six games in the D-League, Schroder averaged 7.0 points, 4.2 rebounds and 6.7 assists over 34.0 minutes for the Jam. The Hawks finished the season with a 38-44 record and lost in the first round of the playoffs to the Indiana Pacers (3-4). Schroder appeared twice in the series, with his most notable effort coming in a five-point, two-rebound showing in Game 2.