In My High School is the debut album of American country music artist Blaine Larsen. It was released on 1 June 2004 on the independent label, Giantslayer Records. Its lead-off single, "In My High School", also released in 2004 peaked at number 60 on the Billboard Hot Country Singles & Tracks (now Hot Country Songs).
Later in 2004, Larsen was signed to BNA Records, who re-issued the album on 25 January 2005 as Off to Join the World. One new song, "That's All I've Got to Say About That", was added to the album. Also, "If Merle Would Sing My Song", which was a solo rendition on the original album, was partially re-recorded with Merle Haggard appearing as a featured artist in the track that appeared on new album.
"How Do You Get That Lonely" was issued as the second single from the Off to Join the World album. This song became the highest-charting song of Larsen's career, reaching number 18 on the country charts and number 91 on the Billboard Hot 100. Finally, in mid-2005, "The Best Man" was released as the third single, peaking at number 36 on the country charts.