Familiarity undoubtedly ranks among the largest barriers to open source adoption — software, like so many other things, is habit-forming. Much of that familiarity, at least among younger users, comes from the prevalence of proprietary applications in education, an area awash with government regulations, competitive bidding, and its own habit-induced hangups. Enter Albany Senior High School, an Auckland, New Zealand-based unorthodox enclave of education. The school, which opened its doors in 2009, takes a different approach to learning, utilizing open principles that include open spaces, open interaction, open opportunities — and open source.