Records allege the female student and 40-year-old teacher started the sexual relationship shortly after she turned 18 years old. Records allege the female student and 40-year-old teacher started the sexual relationship shortly after she turned 18 years old. Records allege the female student and 40-year-old teacher started the sexual relationship shortly after she turned 18 years old. Records allege the female student and 40-year-old teacher started the sexual relationship shortly after she turned 18 years old. According to court records, Sifuentes posted a $45,000 bond and is due in court in August.