17-Year-Old's Parents Signed Consent Form for Their Daughter to Marry Her 27-Year-Old Teacher A 27-year-old teacher in Texas has been arrested after he applied for a marriage license with his underage student, even though her parents gave consent. Cases of teachers trying to marry their students are on the rise. Randy Arias taught Spanish and coached track at the Austin high school where 17-year-old Brenda Guerra was enrolled. Police say that the pair secretly started dating one month ago and that they learned of the relationship from an anonymous caller. "Whoever did call made a good judgment call," said Lt....