|Family & Friends|
|Relationships:||Ellie Keith (crush)|
|Friends:|| Xavier Parker|
|Interests:||Singing, dancing, causing trouble|
|Education:||William McKinley High School|
|First appearance:||Never Stop Believing|
Underpromise and overdeliver.
—Jack, Never Stop Believing
Jack is portrayed by Rahart Adams.
Jack first appears writing jokes on the glee sign up sheet, which Blaine blames on Sue. He appears again later when Bella locks Ellie in the girls room, sabotaging her Rhyth Nation audition. He jams the door open before Ellie hugs him and they kiss. They later both audition. Jack auditions with the song One Step Closer by Shane Harper. In the end, the full group performs You Get What You Give. (Never Stop Believing)
Jack auditions for the school play of Alice in Wonderland, along with Ellie. Once she gets the role, she accidentally does something horrible that could result in serious consequences. When principal Sue finds out, her initial reaction is to suspend Ellie, but Jack tells her that he did it and he gets in trouble instead. (Ellie in Wonderland)
Jack participates in an assignment from Blaine to sing songs that are against the group's personalities. Jack forms a rivalry when the leader of the football team and Ellie kiss. Jack and Ellie have an argument later on before they break up. (Break Up)
- Jack is played by Rahart Adams, who had a notable role as Jax Novoa on Nickelodeon's fantasy series, Every Witch Way.
- Main article: Jack's Quotations