Welcome to Sigma Alpha Chi's Homepage! La fuerza Latina por la raza. Current Coqui News Sigma Alpha Chi Week! (April 14th-21st) The rest of the events are: Thursday night-Hermanas only! Friday-Community Service, Saturday-Latin Party at Chesterfield Family Center. $3.00 gets you in to the best party before Cinco de Mayo. Sunday-Fundraiser at Rio Bravo! Eat good food while helping out the ...