The draw for the pools composition was held on 31 March 2023 at the FIVB headquarters in
Lausanne,
Switzerland. The 20 teams were split into four pools of five. The hosts Argentina and the top seven teams of the
Boys' U19 FIVB World Ranking in force at that time (as of 24 October 2022) were seeded in the first two positions of each pool following the
serpentine system. FIVB reserved the right to seed the host team as head of pool A regardless of their position in the World Ranking. The remaining 12 teams were divided into three pots of four, according to their position in the same Boys' U19 FIVB World Ranking, in order to be drawn to complete the following three positions in each pool. Boys' U19 FIVB World Ranking of each team as of 24 October 2022 are shown in brackets, except the hosts Argentina who ranked 4th. The draw procedure also followed the serpentine system and was as follows: ==Format==