Malcolm Gladwell’s popular book, Outliers, provides provocative findings regarding the success of individuals depending on date of birth. This study examines over 500 cases of elementary students identified for testing as gifted from two school districts. It seeks to determine whether birthdates favorably affect the view of teachers concerning those within a given cohort. A birthdate affect was found. The implications for parents and teachers regarding the academic performance of individuals are discussed. Participants gain understanding of the affect of birthdate on the awareness of giftedness, and how teacher perception affects recommendation for assessment of giftedness.