This study examined the transition and post-secondary achievement of the dual credit (DC) students in the South Island Partnership (SIP). The SIP is a partnership of Camosun College and five school districts located in the South of Vancouver Island, BC. The SIP DC options include Trades programs, Trades exploration courses, and courses in Arts and Sciences. This study explored SIP DC student enrolment, achievement, and transition over ten academic years from 2005 to 2015. The analysis of student transitions within and beyond the SIP was possible through the use of four datasets: SIP data, Camosun College data, Student Transitions Project (STP) mobility data, and Industry Training Authority (ITA) numbers of student enrolment and achievement. During the ten-year period, 3,583 secondary students participated in the SIP DC options. The SIP grew significantly over ten years: from 80 students in three programs in 2003, to about 1,000 students in over forty different program and course areas in the 2014-2015 academic year. Results suggest high retention rates post-DC at the originating institution. Another finding that could be helpful for enrolment management planning was that DC students typically transitioned to the same post-secondary areas of study that they were involved in for their DC program. For example, 86% of Automotive students who returned to Camosun participated in further Trades education. The report concludes with a number of considerations for doing similar studies at other institutions in the province.