A Riddle

Two kindergarten teachers are named Ponce but aren't related. They are also not married to each other. Which ones are they? Not senor. This is Antonio's English teacher which he has ten percent of the time. He is from Columbia and is fluent in Spanish. This is Senora Ponce. He is Antonio's Spanish classroom teacher. She will be with him 90 percent of the time. This is also Senora Ponce. She is Crystel's classroom Spanish teacher and will be with her 90 percent of the time.