 Carey attended Lamar Consolidated High School in Rosenberg, Texas, clinching the 2012 District Championship.He was rated a top 100 recruit nationally all the way up until his junior season of high school due to violations of amateurism status due to TAPPS, a private school league based in the state of Texas.He was also rated at one point the number 1 player in the city of Houston his freshman year by houstonpreps.com and rated as a top 100 player by ESPN and rivals all the way up to his sophomore year in high school, but due to TAPPS ruling him ineligible due to suspicion of him being a professional athlete.