Evan Mobley was named to the first USA Basketball team he tried out for – the 2018 USA U17 World Cup Team – and he has collected two gold medals overall.

As a member of the 2018 USA U17 World Cup Team, Evan Mobley averaged 9.3 points and 5.6 rebounds per game to help the USA to a 7-0 record and gold medal in Argentina.

Evan Mobley participated in the 2019 USA Men's Junior National Team Next Generation minicamp at the NCAA Men's Final Four.

Prior to the 2019 FIBA U19 World Cup, Evan Mobley played in the USA's two exhibition games.

As a member of the 2019 USA U19 World Cup Team, Evan Mobley captured a gold medal with a 7-0 record at the FIBA U19 World Cup in Heraklion, Greece. He played in two games due to injury.

Evan Mobley took part in the 2019 USA Basketball Men's Junior National Team July minicamp.

Evan Mobley participated in the 2019 USA Basketball Men's Junior National Team October minicamp at the United States Olympic & Paralympic Training Center in Colorado Springs, Colorado.

Evan Mobley was named to the 2020 USA Nike Hoop Summit Team on Feb. 7, 2020, however, the event was cancelled due to the COVID-19 pandemic.

ESPN’s No. 3 ranked athlete for the high school class of 2020, Evan Mobley signed a National Letter of Intent with the University of Southern California, where he will be a freshman in the 2020-21 season and join his older brother, Isaiah, who will be a USC sophomore this coming year.