De La Salle Santiago Zobel (DLSZ), together with 34 other schools in the South, competed in the occurring League of Southern Manila Schools (LSMS). DLSZ reigned as champions in High School and Grade School Tennis, 14 and Under Boys and Girls Football, and Grade School Boys Table Tennis; while the High School Volleyball girls got second place.
Julienne Marie M. Calugcug (DLSZ 2012) and Alessandra Isabel Z. Narciso (DLSZ 2014) both bagged the Mythical 6 award for the High School Girls Volleyball.