Tang Soo Do Karate Institute of San Diego in Chula Vista teaches traditional Korean Tang Soo Do from a studio on Main Street in the Otay district, holding affiliation with the World Tang Soo Do Association as a Region 20 school. Board-certified master instructors lead a curriculum rooted in the same classical Korean kicking and hand-strike methodology preserved by Kwon's Blackbelt Academy, the area's other long-standing Tang Soo Do and Tae Kwon Do institution. Students earned four WTSDA Region 20 Grand Champion cups at the 2024 regional championships across senior male, junior male, junior female, and adult female black-belt divisions. The school hosts an annual Friendship Tournament that draws competitors from across Southern California's WTSDA network. Tang Soo Do's emphasis on concentration, pattern memorization, and bilateral coordination through hyung forms develops the same cognitive sequencing addressed in the neurodevelopmental programs at Brain Balance Center of Chula Vista. Advanced dan testing requires proficiency in WTSDA-standard hyung forms, three-step and one-step sparring sequences, board-breaking combinations, and weapons kata through the organization's international rank-certification framework.