[1] Schenn has represented Canada internationally at several tournaments, and won two silver medals at the 2010 and 2011 World Junior Ice Hockey Championships.

[6] Schenn finished his first season as the Wheat Kings' leading scorer[7] and as the top rookie scorer in the WHL tallying 28 goals and 43 assists for 71 points,[8] earning him the Jim Piggott Memorial Trophy as WHL Rookie of the Year, and a spot on the Canadian Hockey League (CHL) All-Rookie Team.

[10] Also in January, Schenn was selected as the winner of the H. L. (Krug) Crawford Memorial Medal which is emblematic of athletic achievement in western Manitoba.

[16] E. J. McGuire, the director of NHL's Central Scouting Bureau compared facets of Schenn's game to Jonathan Cheechoo and Joe Thornton.

[9] At the start of the 2009–10 hockey season, Schenn attended training camp with the Kings, but was considered a long shot to make the team.

[5] He finished the regular season with 99 points (34 goals, 65 assists) in 59 games,[19] which tied him for fourth overall in WHL scoring with teammate Matt Calvert.

[24] Schenn played his first NHL game on November 26, 2009, against the Vancouver Canucks after being called up on an emergency basis and signed to an amateur, one-game try-out contract.

He appeared in nine games with the Kings, and spent time with the Manchester Monarchs of the American Hockey League (AHL) for conditioning purposes.

[28] Schenn was traded to the Philadelphia Flyers, along with Wayne Simmonds and a 2012 second round pick, for Mike Richards and Rob Bordson on June 23, 2011.

[29] After sustaining an apparent shoulder injury in the Flyers' 2011–12 training camp, Schenn was sent down to the Adirondack Phantoms of the AHL for conditioning and salary cap purposes.

On October 20, 2011, Schenn made his Flyers debut in a 5–2 loss to the Washington Capitals, a game in which he struggled and registered a plus-minus rating of –3.

He played three more games with the Flyers, but on October 26, he broke a bone in his foot blocking a slapshot in a 5–1 loss to the Montreal Canadiens.

[32] In response to Schenn's potent offensive style and scoring ability, the Philadelphia Flyers signed him to a four-year, $20.5 million contract in July 2016, for an average annual salary of $5,125,000 until the end of the 2019–20 season.

[5] After his season with Brandon was over, Schenn played with Team Canada at the 2008 IIHF World U18 Championships in Kazan, Russia, as one of five 16-year-olds, capturing a gold medal.

[5] During the 2008–09 season, Schenn was invited to Team Canada's tryout camp for the 2009 World Junior Championships,[5] but did not make the final squad.

[26] When the Kings returned Schenn to the WHL in December 2010, it allowed him to try out for Canada's team at the 2011 World Junior Hockey Championships.

[45] Against Norway, Schenn tied Canada's record for goals in a single game (held by Mario Lemieux and Simon Gagné) with four.

[49] At the end of the tournament, it was revealed that Schenn had been playing with a separated shoulder he suffered during Canada's quarter-final victory against Switzerland.