As a teenager, Margarita Echeverria did not share the enthusiasm had by her friends for a coming-of-age ritual widely celebrated among Latino families. But it didn’t take long for her to get swept up in the revelry of the quinceañera.
“I bucked it a little bit,” said Ms. Echeverria, a self-described tomboy of Columbian descent who grew up in Southern California as the youngest of 17 siblings. “But then, I got into the spirit…