Informed by a sociological approach, this thesis provides an account of the theoretical and empirical context of pharmacy students' undergraduate careers, beginning with the decision to enter higher education and ending with the final undergraduate year of a pharmacy student's education. The main aim of the published work and of the academic field that it contributes to is to advance understanding of why young people choose to study pharmacy (and thus choose pharmacy as a career), and career aspirations and influences over the course of their pharmacy school career. By establishing what influences and shapes pharmacy students' choices this thesis also provides an account of the degree to which career preferences are limited initially by awareness of opportunities, by socialisation and habitus, and how these are related to undergraduate career success.The thesis reports findings from studies using a range of methods including focus groups, surveys, and secondary analysis of pharmacy student data from a number of sources. Subjects investigated by the work are British undergraduate MPharm students and graduates. Numbers applying to study pharmacy, numbers accepted, and numbers entering the MPharm are compared and the relative risk of attrition from the MPharm, are also examined. Findings reported here are relevant to undergraduate pharmacy education policy-makers, heads of pharmacy schools, pharmacist employers, the General Pharmaceutical Council (GPhC) and to those responsible for pharmacy workforce planning.While the primary aim of the thesis is to improve understanding of (undergraduate) pharmacy careers through the application of a number of sociological theories and perspectives, the thesis also considers the ways that findings can usefully inform pharmacy education and policy agendas.