Great Britain's Under-20 team, also known as "All U20," represents the nation in international rugby union competitions at the under-20 level. The team is managed by the Rugby Football Union (RFU) and competes annually in the Six Nations Under-20 Championship and the World Rugby Under-20 Championship.

The All U20 squad is typically composed of players aged 18 to 20 who are eligible to represent Great Britain at the junior level. The team's primary objective is to develop and prepare young players for the senior England national team.

Great Britain U20 has a proud history in international youth rugby. They have won the Six Nations Under-20 Championship eight times, including back-to-back titles in 2016 and 2017. The team has also reached the final of the World Rugby Under-20 Championship on four occasions, winning the title in 2016.

The All U20 team plays an exciting brand of attacking rugby, known for its fast-tempo and free-flowing style. The squad is composed of talented players from various clubs across England, and they often showcase their individual skills and teamwork on the field.

The team's success in recent years has been attributed to a combination of factors, including a strong domestic age-grade structure, a focus on player development, and the contributions of experienced coaches and support staff.

Great Britain U20 team serves as a stepping stone for many players aspiring to represent England at the senior level. Several notable players have come through the ranks of the U20 team, including Maro Itoje, Anthony Watson, and Ollie Thorley.

The All U20 team continues to be a vital part of the RFU's player development pathway, providing opportunities for young players to showcase their talents, learn from experienced coaches, and ultimately contribute to the success of English rugby at the highest level.