[4] Perreault represented the United States at the 2023 IIHF World U18 Championships where he ranked second on the team in scoring with five goals and 13 assists in seven games and won a gold medal.

[8] He helped team USA win back-to-back gold medals at the IIHF World Junior Championship for the first time in history.

"[10] Although Perrault is not the strongest skater, which may have contributed to his falling to the 23rd pick of the draft, Boston College coach Greg Brown said that "His anticipation and thinking are at such a high level, you don't even notice.

"[10] Prior to the 2024-25 season, USA Today writer Vincent Z. Mercogliano rated him as the Rangers best prospect, praising his vision and hockey sense.

[13] Scout Jess Rubenstein compared him to Hart Memorial Trophy winner Martin St. Louis, who was also small but an effective scorer.