SDMC is a mission-driven organization; we have no room for discrimination or disrespect among our students, adults, collaborators, contributors, or sponsors.

Our focus on intellectual promise and a culture of achievement evolves a student population and supporting community that is strongly multicultural, geographically diverse, and blind to social class or status. We welcome all manner of diversity, asking only that everyone (student or adult) participates constructively, in healthy cooperation with others.

A random day at SDMC may find our classes including students and/or leaders from heritages rooted in Africa, Bangladesh, Brazil, China, Germany, India, Italy, Japan, Korea, Mexico, Pakistan, Portugal, Romania, Russia, South Africa, Sudan, Taiwan, Ukraine, United States, Vietnam, ... and more.

SDMC does not charge any tuition or fees for our programs, which makes our programs accessible to students from any economic stratum.

A recent survey found SDMC students to reside in more than 40 zip codes spread from Newport Beach to the Mexican border, and from the San Bernardino Mountains to Imperial. SDMC's geographical reach is greater than any school district in Southern California, and indeed, greater than any California municipality or county, reaching across all or parts of San Diego, Imperial, Orange, Riverside, and San Bernardino counties.

Our pandemic-driven expansion into online activities has made it practical to include students beyond SDMC's usual geographic catchment area, increasing both overall participation numbers and inclusivity. This applies as well to our instructors, allowing us to bring our students occasional live classes from instructors in Asia, Europe, and other US states.